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.
1. a number equal to 1,000,000,000,000,000 or 10^15.
There are a quadrillion grains of sand on this beach.
1.
1. a number equal to 1,..
1.
A crease, or commonly known as a wrinkle, located in the hoo ha, or commonly known as vagina. These little fellows usually arrive after ..