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 a post-expiration chug mug for your father Abdul.
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 a post-expiration chug mug for your coworker Helena.