International Come up With a Day Day or (ICUWADD) is that day where you feel "wow my job is retarded" and decide to make up a holiday to miss work. Of course because your job always sucks this makes any day that isnt a real holiday (ICUWADD) and allows you to miss every day of work while still claiming a pay check.
Man: "My job sucks"
Joe: "Thats ok dude, its International Come Up With a Day Day"
Man: "I always forget that everyday is ICUWADD, thanks Joe!"
by nOmega November 10, 2009
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post-expiration chug

when drinking milk you though was going to bad on a certain day, but you learned that day was some time ago.
Person: "Uh oh, my milk is going bad today!"

Bob: "Well give it an expiration chug!"

Person: "Gulps" "Dude, im thinking that was a post-expiration chug"

*Loud Barf"
by nOmega November 19, 2009
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post-expiration chug

when drinking milk you though was going to bad on a certain day, but you learned that day was some time ago.
Person: "Uh oh, my milk is going bad today!"

Bob: "Well give it an expiration chug!"

Person: "Gulps" "Dude, im thinking that was a post-expiration chug"

*Loud Barf"
by nOmega November 19, 2009
Get the post-expiration chug mug.