A Cold French Fry Share definition Flag (also known as A Cold Fry) can be used for a man's penis, a quick fuck, or simply casual sex. Hey Phil, can you give me a cold french fry in the bathroom? A Cold French Fry by The Tall Deal October 25, 2011 0 0 Get merch Get the A Cold French Fry mug. Buy Now — $32.95 See more merch