Derived from the words blood and pussy. The act of learning that a girl that you are intimate with is on her period.
"Joey we can't have sex tonight, im on my period."
"Marissa, that's ok I like the ocasional blopsy."
"Marissa, that's ok I like the ocasional blopsy."
by Frank Moroder November 28, 2005
A blopsy is what you call a girls pussy when you find out the hard way that she is on her rag. Blo- bloody psy- pussy
by Joe Monaro October 5, 2005