Fairheading 

The act of waiting for someone to fall asleep, and getting it in.

I'm waiting for her to fall asleep so I can start fairheading.

Fairheading by Lock your doors and dont fall December 28, 2018

Airheading 

A use of airhead candy in a sexual act; To roll up a airhead long ways (hotdog style) and insert in a womans vagina, then to engage in oral sex!! :

Manic loves airheading Freakles

Airheading by Manic & Freakles December 8, 2007