To drink heavily to the point of getting zonked out of your mind.
Last night I tanked up so much, that I passed out and dreamed that I was swimming in a sea of beer.
od uživatele Mark H 17. Srpen 2004
1 more definition
To fill up your car with gas
I gotta stop at a Gas station to tank up
od uživatele Tank up 22. Listopad 2010