A bumbling lump, knuckle dragger, buffoon, or chucklehead, meant as a combination of garbage, bozo and gorilla, a concise way of calling somebody a big dumbass.
Garboza: Ahh, sorry boss, I busted another chair...
Boss: You god damn garboza you, that's the third time, should I get you a crane instead? Lay off the fried chicken!
Boss: You god damn garboza you, that's the third time, should I get you a crane instead? Lay off the fried chicken!
by Silver Tongue Slick February 2, 2018