Definitions by Dr Rippenstine

I'll bet 

When someone confirms a statement with bet, one replies with I'll bet.

Hey guys, I'll meet you at Wild Wings after work. Bet ... I'll bet.

I'll bet by Dr Rippenstine October 21, 2021

On his head 

Giving someone a hard time.

I was on his head because he didn't give me his basketball schedule.

On his head by Dr Rippenstine October 21, 2021