When you are sat on the Toilet and you fart so loudly that it echo's in the toilet bowl

V. The odd noise made when one flatulates into a toilet bowl, presumably whilst taking a dump.

A fart released into the toilet bowl, creating a lovely echo. Arguably the most musically enjoyable fart.

toilet bowl fart

A fart recognized from a mile away
Always sound the same usually with a distinct echo. Usually done by moms.