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.
To place you junk into a bowl of soup then ejaculate into it
I forced a bowl of meat ball soup down the throat of a japanese school gir..