verb. When you stab someone with a ballpoint pen, ideally Pilot (TM), when ordering chicken or waffles.
"Don't make me brutat you Gaz, we are going to KFC"
When something is inappropriate. Like smiling when someone is telling you a sad story about yourself. Or getting
Smiling when someone is telling you a sad story is an example of inappropriety.
Or letting wind during a minutes silence.
Or watching your mother's breasts when she is serving lunch.