podszczypywać

Etymology
From. .

Verb

 * 1)  to pinch
 * 2)  to hold lightly in one's maw as a sign of play or aggress
 * 3)  to rip off
 * 4)  to sting
 * 5)  to sting
 * 6)  to sting
 * 7)  to pinch from underneath; to pinch from the bottom of something