drudgerous
Having the nature of or resulting from drudgery; tedious, menial, disagreeable, wearisome; some definitions of shitty.
His drudgerous job made him question his goals.
Drudger
A really stupid idea. A really, really stupid idea from a person with low IQ.
Gerry: Hey, I got this great idea for a weapon for a video game.
Larry: Hey G, that idea is a real drudger.
Larry: Hey G, that idea is a real drudger.