buy up

Verb

 * 1)  To buy the whole of; to purchase the entire stock of something.
 * 2)  To buy whatever is available of something.
 * 3)  To buy off; to pay in blackmail money or similar.
 * 1)  To buy off; to pay in blackmail money or similar.
 * 1)  To buy off; to pay in blackmail money or similar.