Top Definition
ERP
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
16 more definitions
ERP
The worst purchase tracking software ever made. It never really works. When you think it does......you'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
Erp
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
erp
A variation of the acronym RP (see: roleplaying). This is a form of one-on-one roleplaying performed by two advanced writers usually of the subjects romance, sappy, and melodramatic.
"Hey, can you erp tonight?"

"I need some mad erping, now!"

"Erp with me?"
by Erper February 13, 2007
erp
a word used in place of an adjective between friends.
you erpin' out?
-yeah, im leaving

Nick, go erp me a snapple
-fine, ill get you one

Matt, would quit erpin around get your lab report in?
-Fine, ill just erp over to the T-Bird and go get it
by Johnny Razor January 08, 2007
ERP
Acronym of Extra Recticular Probing, meaning sexual intercourse of the anal variety.
I'd love to give her/him some ERP!
by Mat Hayward May 26, 2006
Erp
To become sick.
That awful smell just makes me want to erp!
by Ette July 11, 2003

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