Citations:tweep

Noun: "a chirp or beep"

 * 1995 — John Wynne, The Listener's Guide to Audio Books: Reviews, Recommendations, and Listings for More Than 2,000 Titles, Fireside (1995), ISBN 0684802392, page 321:
 * The readers are Star Trek cast members, and the sound is enhanced with authentic, Enterprise-sounding beeps and tweeps.
 * 2005 — Peter Benchley, Shark Life: True Stories About Sharks & the Sea, Yearling (2007), ISBN 9780440419549, page 141:
 * The clicks, whistles, and tweeps, I learned later, were the whales discussing us.
 * 2006 — John A . Fischer, The Flight of the Blackbird, iUniverse (2006), ISBN 9780595406920, page 237:
 * And for a moment, the odd chirps and tweeps about them did not register.
 * 2008 — Eric W. Bragg, The Midnight Blade of Sonic Honey, Oyster Moon Press (2008), ISBN 9781435714281, page 106:
 * Many of the neighboring birds had already begun their preliminary chirps, sending out those quirky little twits and tweeps that announce their presence
 * 2010 — Ken Lauter, Songs from Walnut Canyon, Xlibris (2010), ISBN 9781453593707, page 11:
 * As we approached the rim, a series of piercing notes floated up from below — loud, resounding tweeps — probably a jay or a crow.

Verb: "to chirp or beep"

 * 1992 — Philippa Gregory, Alice Hartley's Happiness, Harper (2009), ISBN 9780006514657, page 107:
 * Birds tweeped approvingly in the trees above her head.
 * 1996 — Lauraine Snelling, A New Day Rising, Bethany House Publishers (1996), ISBN 9780764201929, unnumbered page:
 * A bird tweeped and twittered on a thistle by the side of the trail.
 * 1999 — Laura Kalpakian, Steps and Exes: A Novel of Family, Bard (1999), ISBN 9780380977673, page 103:
 * No ubiquitous telephones, no fax machines or computers burping and tweeping and chirping their electronic chirps.
 * 2001 — Ted Dekker & Bill Bright, Blessed Child, Thomas Nelson (2001), ISBN 9780849945137, page 283:
 * Her phone tweeped and she unfolded it.
 * 2003 — Briana Bryant, "The Beauty of Life", in Student Bylines: Anthology, Volume 1 (eds. Susan Daniels & Seth Vincent), Writers Club Press (2003), ISBN 0595271332, page 118:
 * A tiny bird tweeps in its nest, a small smile creeps over my face as a dainty buttercup grins up at me, its mellow butter alighting my face with sunshine.

Verb: "(euphemistic) to kill; to assassinate"

 * 1978 — Jim Hougan, Spooks: The Haunting of America — The Private Use of Secret Agents, William Morrow and Company Inc. (1978), ISBN 9780688033552, page 276:
 * Because the order to "tweep" the major came from the American command, they could have been executed for refusing to carry it out.
 * 1997 — William B. Breuer, Vendetta!: Fidel Castro and the Kennedy Brothers, John Wiley (1997), ISBN 9780471184560:
 * Robert Maheu, tough, astute, dynamic, was the perfect professional to implement the CIA scheme to tweep Fidel Castro.
 * 2008 — Allan "Lucky" Cole, Lucky in Cyprus: A True Story About a Teacher, a Boy, an Earthquake, Some Terrorists and the CIA, page 127:
 * If I was Stalin I wouldn't stand so tall at the next May Day Parade. Liable to get himself tweeped."
 * Lucky knew that "tweep" was agency talk for "Terminate With Extreme Prejudice" — an order of a sanctioned assassination.

Noun: "(Internet, slang) a Twitter user"

 * 2009 — Kevin Makice, Twitter API: Up and Running, O'Reilly Media (2009), ISBN 9780596154615, page 163:
 * The format and response are the same as for the follow request, except you are removing rather than adding a tweep.
 * 2010 — Maria Azua, The Social Factor: Innovate, Ignite, and Win Through Mass Collaboration and Social Networking, IBM Press (2010), ISBN 9780137018901, page 167:
 * When you establish a Twitter network, you can even use a tool called "Mr. Tweet" that analyzes your network and suggests other "tweeps" — another name for Twitter users — you might be interested in following.
 * 2011 — David Javerbaum (writing as God), The Last Testament: A Memoir, Simon & Schuster (2011), ISBN 9781451640182, page 305:
 * As astute tweeps will observe, I myself only follow one other person, the one thou callest "Justin Bieber";
 * 2011 — Jonathon Keats, Virtual Words: Language on the Edge of Science and Technology, Oxford University Press (2011), ISBN 9780195398540, page 95:
 * And it is against this cultural backdrop that Twitter has come closest to alienating its tweeps.
 * 2011 — Jessica Rudd, Ruby Blues, The Text Publishing Company (2011), ISBN 9781921921070, unnumbered page:
 * 'Tweeps want a more active role in democracy and as the medium expands it's become more representative of public opinion — not just the chattering classes.
 * 2012 — Sarah-Jayne Gratton & Dean Anthony Gratton, Zero to 100,000: Social Media Tips and Tricks for Small Businesses, Pearson Education, Inc., ISBN 9780789748003, page 192:
 * For brands, tweeting under their brand names can make sense, but they should add the name of the "human" tweep somewhere, ideally in the profile (like "Nikita is tweeting for Marcello.ink).