My bad shot habit (that I didn't realize I did until pointed out one day) is that if I hit a poor shot I release the club on the follow through and catch it with my right hand which is at my side over where I teed the ball. Someone caught it on video and showed me. If I could do it on purpose I think it would be a pretty nifty trick.
If you did that with me I'd not want to play with you anymore either, RT. I'd probably finish the round and if we were playing in competition I'd do anything I could to further annoy you

I threw a club (I
really only wanted to swing it hard out of frustration) on a rainy day this summer. I hit a poor drive, swung the club and it slipped out of my hand and ended up 90º left of the teebox up in a tree. I was embarassed but moreso because I needed to borrow another player's ball retriever to pull the club down. I was my copilot's guest in a charity event, was embarassed and even ashamed that the result was what it was.