Top Definition
ERP stands for Erotic Role-Play. Role-Play in this definition refers to the typing RP done in video games, chatrooms and forums.

ERP is a role-play with little plot besides the quick sex scene between characters. There is no consequence and no long term story behind it.

ERP is basically RP that is rated X.

The term is often confused with MRP, but it is very different.
Would you like to do an ERP? I'm really in the mood.
by Villanite December 28, 2007
The worst purchase tracking software ever made. It never really works. When you think it've fucked something up.
I'm gonna make a software that should help make tracking purchases but in reality will cause people to not be able to finish their regular work. It shall be called ERP!
by user458237 November 18, 2010
Sound of a car stopping in a cartoon
that luxory car didnt make the erp sound when it stopped... oh wait, he forgot to use the brakes and hit the sidewalk, my bad
by SteveF March 25, 2003
Except Ron Paul
All politicians suck (ERP).
by RonPaul420 January 18, 2012
A sound usually pertainign to a query, question, or just being used as an incomprehensible noise to confuse others around you
Guy#1: So, did you see that homeless man? I see he is fond of ketchup pakets.
Guy#2: Erp?
by ThatTreeOutside March 28, 2003
An exclamation used most commonly with a "?" to signify confusion.
Dude#1: Hey man, I went to a farm and spanked every pig there!
Dude#2: Erp?
by Alexei March 19, 2003
Middle class white american slang for "up" often used as "Erps"
"I got the Hiccerps"

"What Erp?!?!"
by The Unprotected September 10, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.