A hole cut in the bottom of the fish n chip bag in which the penis is inserted. The fish n chips is shared with the person or persons who will reach in and unwittingly grab the throbbing, greasy member.
"Hayden gave Karli the Fish n Chip Dirty Dip!" "After finding Hayden's semi-soft cock in the bag Karli chucked her guts up as Hayden told her that it wasn't just vinegar on the chips, it was his cum!"
When engaging in sex from behind the male in the situation pulls out and ejaculates on to the back of the female and promptly pulls her in for some sweet spooning action. All along this ejaculatory fluid is drying to a "crust" Upon waking from the sex induced slumber you have just enjoyed you feed her the "crust" like a potato chip. Betcha can't have just one.
A: You want to do what to Eva Mendes??
B: I totally would give Eva Mendes a Dirty Potato Chip!!
A: You mean you would unknowingly feed her your dry cum??
B: Yes, Yes I would!
A: I totally Dirty Potato Chipped your mom!
the act of blowing a massive triumphant load in a girls anal hole and taking a blow drier and cramming it in her ass and when it dries take it out and make her eat it