What was suggested in the training is if you encounter someone being sexist or racists towards another coworker and aren't comfortable enough to confront them directly, they suggest "kick a garbage can" or something to create a distraction so the person being harassed can get away.

When someone (a man, normally) randomly interacts with a stranger who is obvious uncomfortable, just by jumping into the conversation, it can break the annoying person's patter and they taper off and go away. It is the "distraction" technique.

I used it this weekend when a man started interacting with a woman (by herself) who was obviously uncomfortable, and he got to the part where he asked for her number, I jumped into the convo and offered "Jenny's". When I didn't let go of the conversation, he wandered away.