What is Monostain?
1.
A event during sexual intercourse that a man ejaculates after only one pelvic thrust
hence the name
mono: one
stain: ejaculation
dude: was I any good
duedet: no, that was a complete monostain
See
Random Words:
1.
Similar to a Cleveland Steamer, only involving massive amounts of incredibly foul-smelling feces, preferably with visible chunks of food..