1 definition by giveittomerawdog

When you go down to sit on the toilet with your penis facing down, ready the piss and you undershoot the hole in the toilet seat and your penis plunges into the toilet seat.
Girlfriend/ Wife/ Hooker with many STD's: "Wanna have sex?"
Boyfriend/ Husband/ Pimp: "Naw i can't i just took a nose dive."
by giveittomerawdog August 19, 2010
Get the Nose Dive mug.