huff a sharpie or to huff a sharpie means to fuck off. it was coined by some internet users and people, but the most famous example is in the song "we've got your back (documented minor emotional breakdown #2)" by indie pop band los campesinos!
person a: "dude, i've had enough. either stop acting stupid or go huff a sharpie !"
person b: "okay, i guess...."
person b: "okay, i guess...."
by no, i think i will February 1, 2021