An acronym for a
total random boner moment. It is classified by one obtaining a
boner when one typically wouldn't have a
boner.
Person 1- I
just puked in the break room toilet (at work). Then decided to
fap.
Person 2- WAT! I can't believe you had the energy to
fap after vomiting. Did you force it?
Person 1- total random boner moment
Person 2- gotta love TRBM's.