use up

use up  {v. phr.}
1. To use until nothing is left; spend or consume completely.
Don't use up all the soap. Leave me some to wash with.
Jack used up his last dollar to see the movies.
Compare: GIVE OUT (5).
2.  {informal}
To tire completely; make very tired; exhaust; leave no strength or force in. — Usually used in the passive.
After rowing the boat across the lake, Robert was used up.
Compare: GIVE OUT (4), WEAR OUT.
Categories: {informal} {v. phr.}