look up any word, like blumpkin:
 
1.
To shove ones fingers up a friend's rectum whilst yelling DONCHE! commonly used in college dorms and frat houses. Suitable for men and women as long as not in a relationship together. Recommended for close friends only.
Bro#1 cooking himself dinner in kitchen, (hears door open and close)

Bro#1: "who is it?"
Bro#2: "DONCHE!" as he shoves pointer and middle finger up friends butt aiming for rectum.

Bro#1: "Ah shit you got me agian"
Bro#2: "DUDE you got my fingers wet!!!

Bro#1: "sorry bro" continues cooking
by elk ridge bros + LLC E 303 June 24, 2010
 
2.
Customized version of a douche bag just making the word more exciting and insulting.
You stupid donche bag.
by Chaos July 20, 2003
 
3.
This word means whatever the user wants it to mean.
Eg.

"Guy About to score a try"

Danny: Quick joe, Donche him !!!
Joe: Ok !!!!

"Man Gets Donched" !!!
by joegandolf November 15, 2009