look up any word, like yeet:
 
1.
FEBO stands for F*** Everyone's Brains Out and is usually used in a chant.
FEBO! FEBO! FEBO! FEBO! FEBO! FEBO!
by FYMMM May 12, 2011
 
2.
FUCK. EVERYONE'S. BRAINS. OUT.
usually used in a chant.
FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO!
by FYMMMM May 04, 2011
 
3.
Fuck Everyone's Brains Out. Also can be referred to simply as Fuck Everyone.
FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO! FEBO!
by T. FYMMMM May 01, 2011
 
4.
a word describing a state of absolute exhaustion in which basic life functions such as eating and going to the bathroom are extremely difficult. feboness is usually found in young adults ages 18-24 who engage in illicit activities and smoke marijuana cigarettes.
Wow, I drank a bottle of Jack last night,I am so febo. Nope, drink to get over your hangover!
by Debo February 15, 2004
 
5.
Beyond feeble; incapable of doing anything right
Gosh, I feel so febo after doing Taebo.
by Mikey D. February 11, 2004
 
6.
female boner
Man, he's so hot, I'm getting a febo.
by scionnnn December 05, 2010