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1.
Getting drunk as hell
Did you see Duffy last night at the party, man he was tanked up
by J.D May 25, 2005
81 14
 
2.
Not working properly, to include people or objects.

Not in it's original condition. Normally not useful in it's current condition.

More than messed up but not quite fucked up.
That guy's driving, face, and attitude are all tanked up.

After getting kicked a couple times, that vending machine is tanked up.
by Shi Shi and the Shmoop March 29, 2005
4 22