Definition of snap up Snap up

We found 2 definitions of snap up from 2 different sources.

What does snap up mean?

Verb
snap up - get hold of or seize quickly and easily; "I snapped up all the good buys during the garage sale"
		snaffle, grab
		take ascertain or determine by measuring, computing or take a reading from a dial; "take a pulse"; "A reading was taken of the earth's tremors"
		hog take greedily; take more than one's share