1 definition by Ross R. Donnell

Fahlstrom. Basement. Syndrom.

This is what you get in a Fahlstrom basement.
Your eyes begin to swell up, get red, and teary. You begin sneezing and start a very annoying scratching throat. Very similar to allergies, but way worse.
"Dude I can't come over because I don't want FBS."
by Ross R. Donnell October 6, 2008
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