Someone who swims in the toilet bowl when you aren’t looking. Fabulous but beware of the gills. Is definitely vegan. Can not walk through walls (has tried) and cannot remember their passwords so they have the same one for everything. Pronounced fee-ash
by Bb Cadum October 17, 2019
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It is the fishy smell that you may smell when a chick is on her period.
"Dude, what is that fiash smell!"
"Uh, I'm on my period."
by Rad and Nathan February 25, 2007
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