'use up' definitions:

Definition of 'use up'

From: WordNet
verb
Use up (resources or materials); "this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a week" [syn: consume, eat up, use up, eat, deplete, exhaust, run through, wipe out]
verb
Require (time or space); "It took three hours to get to work this morning"; "This event occupied a very short time" [syn: take, occupy, use up]