Most often referring to the sweat that collects in your butt crack after a really messy dump.
My butt sweat got together with my poorly wiped ass and created this skid mark on my underwear.
On a very long, hot busride/carride with very few rest stops, how your butt gets really sweaty. Also happens on a piano bench.
"Dad, can we stop at this gas-station? John has serious buttsweat and its like a pool down here in the backseat
Due to lack of aeration between two butt cheeks, sweat accumulates in the crevice and may cause squeaking noises while walking. May also manifest as a stain in gluteal region while wearing biking shorts.
Midwife wonders for a moment, unsure whether the woman in labor has broken her water or has a bad case of butt sweat.
When your ass gets wet from working to hard, and the shit inside your anus is being washed in, and you have to go wipe, thats butt sweat.
GOD YOUR ASS STINKS!
Oh sorry, its just a little butt sweat
sweat that is emitted from the anus.
I could smell her buttsweat in her panties. Mmmmmm
To have anal moisture and leakage of ur ass. To be sweaty. An annoying follower who is asshole drippings called buttsweat
Dude I have some luby buttsweat
the shit drippin from underneath your ass hat
when the warm weather hit, butt sweat drpped from marshalls head