seppi 

a fan of red vs blue , loud music and crazily stupid acts of moronic nature

may also perform such moronically stupid acts.

kyle, seppi asked why you put the fucking gerbil in the microwave. Your such a fucktard

seppi by LeFunk December 28, 2004

Seppi 

Brother

Hey seppie whats up!

Seppi by Trio-of-germanic-tribes November 22, 2019

Seppi 

a german that is hitlers cousin

OH, stay away from seppi, he is hitlers cousin

Seppi by N00nz December 4, 2021

seppi 

A stunt performed by a awesome friend

Go and do a seppi, OMG thats was Like SO SEPPI

seppi by MOMAN February 18, 2004

seppi 

one who performs outragious and sometime life threatening feats of great bravery on film for the hope that maybe somewhere, somehow. someone will be possesed so far as to laugh at it.

hey, did u c seppi matrix the other day?
yer that guy is such a toss.
croc wrestling, blatant matrix rippoff creatively called (seppimatric), cavemanning. that guy is a legend.
wat has he bin smoking?

seppi by bashsilent.tk January 22, 2004

Seppi 

The most annoying and biggest dumb fuck on planet earth. Seppis love to ruin fun situations by just being themselves

Liana: wow did you see Joseph the other day? He was being a real Seppi

Kayla: yeah what a little bitch

Seppi by Dixie Normus loves u May 10, 2020

Dirty seppi 

The act of fisting two people at the same time while wearing a propeller hat and singing Ariana Grande.

Man 1: Have you seen Jack and Susan lately?

Man 2: No, I heard Sam did a dirty seppi on them, they haven’t left their bed in days.

Dirty seppi by TatiIsNotIt May 5, 2020