Noun
Something that is blown off.
The explosive separation of part of a rocket etc in order to prevent its destruction and allow for retrieval
A blowing off of steam, water, etc.
(colloquial) An outburst of temper or excitement.
(UK, slang) A fart.
Source: en.wiktionary.org2. Fuel is compressed by the rocket-like blowoff of the hot surface material. Source: Internet
Sometimes this will be the culmination of an entire feud, ending it for the immediate future (known as a blowoff match). Source: Internet
The ten-in-one would often end in a "blowoff" or "ding," an extra act not advertised on the outside, which could be viewed for an additional fee. Source: Internet