Say where you were, what you heard, and what else was happening. A short sound clip helps. So does admitting that the microphone was in your pocket. The archive is editorial fiction; draft contributions remain in your browser rather than going to a moderator.
Short bark
A brief, rounded interruption with a soft finish.
Illustrative fart sound effect · Mike Koenig, CC BY 3.0 · Recording and edit credits
Listening notes and recording details →Rolling call
A longer, uneven phrase with several closely spaced pulses.
Illustrative fart sound effect · Mike Koenig, CC BY 3.0 · Recording and edit credits
Listening notes and recording details →Room echo
A short source followed by a small-room reverberation.
Illustrative fart sound effect · Mike Koenig, CC BY 3.0 · Recording and edit credits
Listening notes and recording details →How to compare the recordings
Listen for the first attack, the number of pulses, and how long the sound remains after the source stops. A room echo can make a short source seem much longer. Describing those features is more useful than turning the volume up.
For the expression’s background, read the meaning of barking spider.