gabagoon
Gabagoon is the word you use when you’re angry at someone who is bad at everything. It’s like being a goon, but with more laziness and less style.
My mom says my dad is a gabagoon. He can’t even cook breakfast.
My brother called my friend a gabagoon. He spilled pizza on his shirt.
My teacher said I’m a gabagoon. I fell asleep during the test.