To "give bat" is to firmly resist someone's romantic advances. It use is occasionally also extended to more general cases of being turned down.

It is a South African slang term, that probably first appeared in 1990s. It most likely has its origins in cricket - the metaphor being one of a bowler attempting to bowl a batsman out by bowling at the stumps, only to have to have the batsman play a non-scoring, blocking shot by placing his bat solidly in the balls trajectory.
I tried to kiss her at the party, but she gave me bat.

He got bat from all the girls last night.

He'll get bat if he asks her out.
by Quarkman January 16, 2010
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