Performing of fellatio on a man who is sitting on a toilet and taking a crap.
Yo, you hear about Per and Max? They were just in the bathroom and Per gave Max brumpkin. Pretty sick, right?
by Fletch March 15, 2004
When you stick your face between a persons asscheeks and give them a raspberry
giving an anal raspberry = brumpkin
by Matt Y July 22, 2006