look up any word, like blumpkin:
 
3.
IRP
The security platoon or whatever for Iraq. Insidental Responce Platoon

1)Its really pink

2)international retard platoon

3)iraqi retarded police

1)I just got done with this girl and let me say its all IRP down there!

2)Hey look at those IRPs.
by matz March 30, 2008
 
1.
IRP
In RolePlay
I got to seduce Boromir IRP, because I played Legolas.
by Legolas The Assmonger January 17, 2011
 
2.
irp
Immediate Response Please, pronounced not spelled out as in the sound erp.
Used when pressuring a subordinate for an answer.

Why aren't you done with the report? IRP!
by Geo 1 November 18, 2005
 
4.
irp
in rest and peace
by Anonymous August 01, 2003