1 definition by a sneaky asian

Manhattan Project

a sexual act in which a man has anal sex with a female, spits on her back making her believe he "ejaculated" and as she turns around the man turns around simutaniously and shits in her face
(must have diarrhea in order to preform correctly)

i pulled a Manhattan Project on my wife last night...boy was she pissed off

by a sneaky asian July 17, 2008