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1.
an alternative word for loser. also meaning frail, and weak.
That girl cannot do a sit up what a flase.
by C. Rayfield April 01, 2011
 
2.
Appears in sentence formations where the writer is attempting to express a falsehood (false), however, has an extreme fetish for flaccid flesh and unknowingly converts false to flase.
Your statement is flase! (The writer meant to write false but is preoccupied thinking about the recipient’s flaccid unit)
by sscooter May 11, 2005
 
3.
A type of yeast infection commonly contracted from having sex with skunks and skanks and truth munchers.
Doctor Murph: I'm sorry, you have contracted flase.
by FenrawrX September 02, 2009