I. gim ‧ me 1 /ˈɡɪmi/ BrE AmE
a way of writing the non-standard spoken short form of ‘give me’:
Gimme the ball!
II. gimme 2 BrE AmE noun [countable] American English informal
something that is so easy to do or succeed at that you do not even have to try:
The victory was a gimme for the New York Yankees.