Using wall hacks so you can see people through walls in a game

A wall jumper is a term used to describe a mexican. This term reffers to Trump's wall and the immigrants that cross it.

The act of crashing a shopping cart into a wall at a convenience store or any building the owner escorts you out. Most of the times they just call the police, though.

Its when a woman does a wall sit naked and a man lays under her and eats the shit coming out of her ass

when you rail someone or jerk off) against a wall- the result is finishing on the wall. hence wall nut.

or alternatively when you jerk off a wall

When a male masturbates for hours on end, his penis will heat up. this will make his semen warmer. because heat rises, if this person ejaculates and their semen is warm enough, the semen will travel farther than normal. if this semen hits the wall, it is called a 'wall nut.'

When you walk into a cloud of very nasty fart!