1. burn up - Noun
2. burn up - Verb
burn brightly
use up (energy)
burn completely; be consumed or destroyed by fire
Source: WordNetburn-up
Every star seemed to flare with new intensity Source: Internet
burn off calories through vigorous exercise Source: Internet
The hut burned down Source: Internet
The mountain of paper went up in flames Source: Internet
According to the partners, would burn up in the atmosphere without releasing harmful substances or raining debris onto the ground. Source: Internet
An hour-long sweat sesh is said to burn up to 700 calories. Source: Internet