Typically occurs when she says it's that time of the month, and you drunkenly reply that you don't care and have sex anyways. Upon examining your penis post coitus, you realize that you now have a bloody Zombie Dick.
"Dude it looks like someone dipped a hotdog in ketchup and slapped your sheet like twelve times." "Nah man I just had an absolute Zombie Dick.
by JakeDaPillowSnake October 11, 2015