slang term for the act of defocating.
Dude! don't go in there... I just took a grumpy man!
by Ragnar October 25, 2002
act of dumping in toliet and not flushing, resulting in a pleasant surprise for the next user
I left a nice grumpy at my girlfriends house, it was classic.
by blahblah March 13, 2005
ugly, nasty, untasteful, somthing that doesnt look right
Dem clothes is lookin GRUMPY!!!!
by Khalil James May 10, 2008
taking a poop that is so hard and tough that it is just pissed off on the way out
whew! that one was grumpy
by DelbyJ February 14, 2007
BBC program Grumpy Old Men -
50 year olds moaning about society,
from cell phones to litter on the streets.
Very humorous. Not at all the sexual connotation!
by Martin - Holland May 15, 2006
alf: man i took that bird home and got a blumpy, no jokes!

fisher: hahaha no you didnt alf, she was like 80, you got a grumpy!!!
by normandymoore September 21, 2006
You when nothings going your way.
Don't act all grumpy, love. So everythings shit, why should YOU pay the price?
by Bad Translator September 21, 2020