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1.
a derogatory word meaning almost any negative adjective, such as old, stupid, terrible, etc.
This party is so later'd, lets leave.

You are so later'd
by cat chan March 27, 2004
 
2.
#1 Adj: describing something that was cool, but isn't cool anymore; Old fads that died out; Lame in general.
Commonly used in the term "Totally fucking later'd" (TFL).

# 2 Adj: describing something that is dying, being worn out, burnt out or otherwise fried.
# 1: "Pwn? That's totally fucking later'd."
"School is TFL, dudeseph."

# 2: "I laughed so hard, my appendix is later'd"
"My brain was later'd after I watched that trippy movie."
by SpaceSkamandor January 17, 2008