burn up
phrasal verbPart ofburn
burn up — phrasal verb
1. 1) to be destroyed or destroy something completely by fire or heat; 2) to use up
1.phrasal verb
Definition
1) to be destroyed or destroy something completely by fire or heat; 2) to use up energy, fuel, or calories quickly.
Example
The small satellite burned up as soon as it entered the upper atmosphere.
Long runs in the park help Marcus burn up extra calories before dinner.