grade-A bullshit Share definition Flag When you completely bullshit an assignment and totally get an A "Dude, this is some grade-A bullshit you got there." "I know, I did it all at 4 a.m." grade-A bullshit by whatthefuckamisupposedtodo November 3, 2013 0 0 Get merch Get the grade-A bullshit mug. Buy Now — $32.95 See more merch