look up any word, like cunt:
 
5.
Someone who is a complete ass, suggesting an ass that has the capacity to host a large foreign object, such as a fist or a Buick.
See that guy over there driving the BMW and playing System of a Down way too loud? He's a giant fistagon.
by pedagogue April 06, 2004
 
1.
Term coined by Zack De La Rocha of Rage Against The Machine. Used to describe the iron-fisted Pentagon.
Terror rains drenchin', quenchin the thrist of power dons.
That five sided fist-a-gon.

Was it cast for the mass who burn and toil?
Or for the vultures who thirst for blood and oil?
A spectacle monopolized
They hold the reins and stole your eyes
The fistagons bullets and bombs
Who stuff the banks
Who staff the party ranks
by Grif July 05, 2004
 
2.
A Person who Delivers Extreme beatings to his/her enemies.
The "Fistagon" has arrived, to kick ass and Take names.
by Fried Gold9 January 11, 2012
 
3.
A fucking asshole
Fistagon is a fucking asshole
by Your Mom April 08, 2004
 
4.
Someone on the receiving end of brutal fisting intercourse.
"That fistagon can take me all the way up to my elbow"
by interWeb guy April 01, 2004