Jack Shit Off - To take someone’s hard work and pretend it’s yours like you’

To take someone’s hard work and pretend it’s yours like you’re a total fraud

You did the work, I got the grade. You’re a jack shit off.

Your homework was perfect, but I copied it and got an A. You’re a jack shit off.

You spent hours on that project, and I took it and made it mine. You’re a jack shit off.