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1.
to persay or to get somthing out of someone
im going to totally fiest that kid
by holden fiester March 12, 2008
 
2.
Noun. Verb. Adjective.
A quality obtained only by select individuals...someone who is very feisty. Goes all out ... usually associated with hot, fiest people. Someone who is the deffinition of hot sex in a bottle.
To fiest means to either slut it up or , well, basically, GET WHAT YOU WANT, WHEN YOU WANT IT, HOW YOU WANT IT.
be fiest.

there are also several levels to the fiest-o-meter...
NOVICE, BEGINNER, CHILD, TEEN, APPRENTICE, AND ABOVE ALL, FIEST MASTER, the fiestest of them all
person 1: i'm seeing my boyfriend tonight, you know, i'm going over to his house.
person 2: BE FIEST! I KNOW YOU WILL BE!
person 1: i'll be sure to fiest it up dont worry!

example 2
person 1: did you just see me over ther with that guy?
person 2; yeah, that was pretty fiest
by FIESTER101 May 17, 2010
 
3.
another word for bang, or if you want to be blunt..fuck.

derived from the word fiesty.
damn that guy is so hot, i'm going to fiest him on the spot!
by Nina October 13, 2004