when someone is sleeping in a bed and the two people on the floor are having sex and keep running into the bed. The two people having sex on the floor are the Touch Fuck.
The original form of the expression "check yourself before you wreck yourself". It simply means that before doing something that could have negative consequences you should alwaysmasturbate.
LaBonaynayshaquiartisha: I'maknife that manstealin ho LaFoundaquisha right in her damb ovary!
Mayonnaise: Girrrrrrrrrrrrrrlllll, you need to touch yo'self befo' you fuck yo'self!