A person (usually a girl) with a pronounced chin and jawline that looks as if it would definitely aid in the placement of the male genitalia in the mouth and throat when performing oral intercourse
Arthur: Yo do you know Abby Will: Yeah man she got that Dick Sucking Chin
that thing where you run out of lube then have to use olive oil, leading to a pronounced hot oily funk in the bedroom reminiscent of fish and chips
Stu: Nah i don't have any lube
Melissa: we can use olive oil
Stu: OK
after....
Stu: Wow smells like fish and chips in here
Melissa: Dick and chips!
Stu and Melissa: ha ha ha ha ha