Flytipping is a drunken activity that male humans wearing jeans participate in when the party atmosphere reaches the slow decline that happens after it peaks where one or more people have passed out and the rest are substantially drunk. Said males who are especially drunk and most likely randy will proceed to open and 'empty' the 'contents' of their zipfly onto the face of a person lying passed out on the floor. The lower orders also tend to call it dickslapping. This activity rarely turns sexual and in fact can be seen as rather irritating especially for those victims who are unlucky enough to be attacked by one who has recently been to pee and not wiped themselves clean. Most likely to occur when party is at said atmospheric condition and a game of spin the bottle is occuring.
Person 2: Fuck I don't know I just remember being fucked off my head and randy as fuck
I was going home but my boss has come over and fly tipped me.
Right im off home, i've just fly tipped what was left on to the graduate we recruited.