Top definition
A moment of opportunity when one's fart can be masked by noise or wind or simply lack of other people. Some fart ops known to man have included:

1. Elevators
2. Outdoors
3. Crowded streets
4. Empty trains
5. Bathrooms
Charlie always used the fart op of a train pulling into the station and making noise.
by farting al June 08, 2013
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