An act of sexual intercourse in which the individuals involved may be ravaged, hurt, beaten, scratched, or otherwise really fucking banged up while fucking.
Also applies to an individual, usually male, who tends to fuck hard and rough.
"Omg, Susie, what's that bruise on your arm?!?"
"I fucked this kid Jimmy; I met him at a bar last night...it was so hot and rough, he's such a punk fuck."
"What a little bitch, I should punk fuck him to shut his ass up, teach him who's boss."