To lose weight for an athletic weigh in for an athletic competition such as wrestling, football, etc by dieting, starving one's self, running with many layers of clothes on, or using laxatives.
"Hey dude, wanna go out for pizza tonight?"
"No, I'm cutting weight so I can wrestle tomorrow."
To fill in answers on a test in the order of :
A
B
C
D
C
B
A
B
C
D
Because you have no clue on what the answers are.
"How do you think you did on that history test?"
"Pretty bad, I was makin' stairs for most of it."