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1.
ij
An inside joke.
hahahah (to third party observer): sorry, ij!
by btdubs September 17, 2008
 
2.
ij
i joke - used to tell someone you joked.
hey kri ij!
by schual June 04, 2004
 
3.
IJ
an inside joke. ironically, the word itself is an inside joke
Bob: Hey remember what we did last night? DOUGHNUTS! ahhahahha

Tim: AHHAHAHHAH

Jim: What?

Tim: IJ dude.

Jim: What?

Bob: INSIDE JOKE!
by walakhai555 April 16, 2010
 
4.
IJ
Also known as a PJ (Personal Joke), an IJ is an Inside/r Joke. For the jokes that are shared between 2-4 friends, that NOONE else will understand. CAUTION: Creating millions of IJ's may cause people to doubt your sanity.
Rachee: Did ya do my blog?
JoJo: Yeah gee! I put loads of IJ's in it :L
by imaWOODchuck. January 25, 2009
 
5.
-ij
A suffix deriving from -age that is occasionally seen in slang that basically turns a verb into a noun. It's been known to be used when there is a character limit where it is preferable over -age as it has fewer letters.
lol + -ij = lolij
pwn + -ij = pwnij
by Obanana October 21, 2007
 
6.
IJ
Inside Joke
"Dude, what does 'Le Bainer' supposed to mean?"

"Haha, sorry dude. Total IJ man."
by alexnoell February 23, 2009
 
7.
IJ
Noun: IJ (eye-jay)

1. Cultural implications of a Jewish Iranian in present day Los Angeles.
There goes that IJ.

It was an IJ party.
by Artt Vandalay October 30, 2007