the Fibonacci

a sexual move in which the number of thrusts in the next hole entered equals the sum of the thrusts in the previous two holes. With a woman, this can include an around the world where there is one thrust in the mouth, one in the vagina, two in the anus, three in the mouth, five in the vagina, eight in the anus, thirteen in the mouth, etc. With a man, this can include one in the mouth, one in the anus, two in the mouth, three in the anus, five in the mouth, eight in the anus, etc.

Man, that chick was so horny last night she let me give her the Fibonacci.

by pyroman13 August 27, 2016

fiba

Acronym for Fat Infected Brown Asshole.

The guy on the road, who I cut off, shouted "suck my FIBA!!".

by chuck Allredd February 6, 2005

Fibromyalgia

The disease that people claim is assailing the when they are done with working, responsibilities, house cleaning, body cleansing, and any other activity requiring and real exercise or movement of the body.

Dude, your Mom stinks man!
Yeah, she's got fibromyalgia, she's decided not to shower anymore.

by ouchie1 June 6, 2005

fiberglassed

To be plastered on light beer.

Man that chick finally did me, but only because she was totally fiberglassed!

by blueeyederic August 19, 2003

Fibley

To make statement which you know is not true with the intention of fooling your intended victim.

"Every time I ask her a question, she gives me a fibley, waits for my reaction then tells me the truth and laughs. I don't think she's funny at all"

by bambam77 January 3, 2010

fibbit

A cross between a frog and a rabbit. A frog body, with the hind legs of a rabbit. The animal also has fur.

The fibbit hopped around the swamp, then caught afly with its tongue.

by UrbanWordPerson January 27, 2010

fiber juan

The Mexican version of Fiber One

I went to a store and found some Fiber Juan.

by Frnak4free November 3, 2014