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1 definition by TSIBtF

 
1.
FB
1. Any two word expression with words beginning with F and B. For example: Fat Bastard, Fart Breather, Fiendish Buttsecks, etc.

2. The 1981-1985 Mazda (Savanna) RX-7, 1st Generation. Most people will confuse it for a Porsche, but it's a rotary powered banshee. Called an "FB" after its chassis code.

1. I spotted a couple FB's in the FB engaging in some serious FB.

2. What we thought was a weedwhacker turned out to be an FB outrunning some cops on the interstate.
by TSIBtF February 21, 2007