v. To give someone the "sidewall". A sexual act where, when banging a chick from behind, the man turns his body to the side and rams the outerlining of the vaginal walls.
The Sidewalling game: Capturing a sidewalling with a picture and sending to all your mates. (more points awarded for the tail being close to the top rim. Points deducted for trails leading into the water)
Mike captured a fantastic bit of sidewalling art, After sending a pic to all his mate he received a respectable 9 out of 10.
By Olenka
Sidewaller
A booger that slides easily out from either inner nostril wall. It is approximately the size of a Kellogg'scornflake. The pinky finger is ideal for getting out most sidewallers.
It was so dry last night that I slid out a giant sidewaller with some blood residue this morning.
