verb (used with object)
verb (used without object)
- to fill the gas tank of an automobile or other motor vehicle.
- Slang. to drink a great quantity of alcoholic beverage, especially to intoxication.
- failing, doing poorly, or declining: His grades were in the tank last quarter.
- favoring, colluding, or assisting in a partisan way (often followed by with or for): The talk-show host was in the tank with the Green Party.
Origin of tank
Related formstank·less, adjectivetank·like, adjective
British Dictionary definitions for tank up (1 of 2)
verb (adverb) mainly British
British Dictionary definitions for tank up (2 of 2)
- an armoured combat vehicle moving on tracks and armed with guns, etc, originally developed in World War I
- (as modifier)a tank commander; a tank brigade
- a light-tight container inside which a film can be processed in daylight, the solutions and rinsing waters being poured in and out without light entering
- any large dish or container used for processing a number of strips or sheets of film
- a jail
- a jail cell
Derived Formstankless, adjectivetanklike, adjective
Word Origin for tank
Idioms and Phrases with tank up (1 of 2)
Fill a gas tank with fuel, as in As soon as we tank up the car we can leave. [First half of 1900s]
Drink to the point of intoxication. F. Scott Fitzgerald used this expression in The Great Gatsby (1926): “I think he'd tanked up a good deal at luncheon.” This expression often is put in the passive, meaning “be or become intoxicated,” as in My roommate really got tanked up last night. [Slang; c. 1900]
Idioms and Phrases with tank up (2 of 2)
In addition to the idiom beginning with tank
- tank up
- think tank