this is where u place your penis underneath a girls head whilst she is sleeping and then get an erection which lifts her head up
by SIMCOE November 25, 2004
When you're sat down on the toilet with your willy tucked down, but it then gets big and lifts the seat with you on. That's a fork lift dick truck.
Oh no I sat down on the toilet with my willy tucked down, but it then got big and lifted the seat with me on. That was one major a fork lift dick truck!
by Bilko123 February 12, 2014