Top definition
a grouchy, discontented, ill tempered person, particularly someone who chooses to be unhappy
Man, you would think that rich retired geezer would be nicer but he's a real grumpalumpagous. If I were you, I'd steer clear of him.
by no1sandman April 17, 2016
Get the mug
Get a grumpalumpagous mug for your buddy Yasemin.