acronym for "I know, right?" - the rhetorical response to any statement of undeniable truth. Used in IM or text based conversations (also, "IK,R?") and NEVER acceptable as spoken aloud (eye kay are.)
Hammer666: Wow, that other definition sucks.

Lizard420: IKR? I'm making a better one.
by poopking12223 August 11, 2011
ackronym for "I know, right?" - the rhetorical response to any statement of undeniable truth. mostly used in IM or text based conversations (also, "IK,R?") but acceptable as spoken aloud (eye kay are.)
kindofdistracted: girl, did you see jennifer last night? that girl a total ho.
48reasonswhy: ikr?
by fierceflawless September 17, 2005
beth: madonna is such a fucking skeezer.

madonna: ikr.
by kenny kenny June 22, 2004
shorthand for "I Know, Right", having entered the popular vernacular in the movie Mean Girls, starring Lindsay Lohan
Oinky: she's such a dirty pirate hooker
MacGarnacle: IKR?
by Delicious Monster October 9, 2006
abbreviation for "i know, right"
said in a preppy, valleygirl voice
so its pronounced more like
"i know... RIGHT?!"
bitch: "her hair is so ugly"
hoe: "omg ikr!"
by dancerbabe304 April 27, 2008