1 definition by J.dm

Top Definition
Commonly referred to as the "house centipede," this freakishly large and alarmingly fast bug can be found in any basement in North America, entering one's house through the drains.

It is known that Fifis like damp areas, so if one leaves a pile of towels on the floor after showering their basement, they are certain to find one. Fifis also run towards you to hide in your clothes, which is probably the worst part.

The Fifi has a disgusting number of legs and antennae, which makes it *almost* resemble something cute and cuddly, hence the ironic name "Fifi."
Holy shit, that Fifi is ridiculously huge... omg it's running straight towards me!
by J.dm March 26, 2010

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