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.
Any brand of powder sprinkled on one's scrotum may be termed, "Nut Powder."
"Dude, it's gonna be a hot day! Ma..