cook off

Short definition from Wiktionary

Verb

1. 1
   To eliminate by cooking.
2. 2
   To heat alcohol in preparation for distilling liquor.
3. 3
   To pull the pin from a grenade and wait two or three seconds before throwing.
4. 4
   As above, except to unintentionally wait so long that the grenade detonates.
5. 5
   To cause an accidental detonation of explosives due to excess heat.
6. 6
   To accidentally detonate as the result of excess heat.
7. 7
   Used other than figuratively or idiomatically: see cook, off.

Noun

1. 1
   A cooking contest.
2. 2
   The accidental detonation of explosives as the result of excessive heat.