Synonymous with "motor boating". It's when a man places his face between the breasts of a well endowed woman, moves his head side to side while yelling.
Only a bad motherfucker could get away with giving that bitch a Bronson.
Bronson is the act of a male placing his face between the particularly large breasts of a woman, blowing loudly while moving his head side to side. Also known as a "motorboat".
Can you believe AnneMarie let me Bronson her gigantic fucking titties?