a person/animal/other organism that does actions/things that are unfavorable and seen by others as stupid, it's also an insult to a person who is pea-brained.
Synonyms for dumbass
On this page, you will find 30 slang terms related to dumbass. Some of the top words include: Asspunk, plooker, Shlup, fuck tard, Hater, and 25 more.