1. A sexual practice when 9 men put their peins's in a girls vagina. The shaft represents the bed of the truck and the balls represent the wheels. 9 penis's times two balls=18 wheels.
2. A truck and a bed with 18 wheels.
1. Tom: Hey Matt; Me, Jade, Damien, Tucker, Craig, Ansen, Kurt, Ryan, and Steve gave Sarah Anderson an 18 wheeler.
Matt: Awesome man!, Now her pooter is ruined.
Tom: So ruined.
2. Tom: Hey Matt, me put the deliveries back in the 18 wheeler, there two heavy for a normal truck.
Matt: Sounds good.