A group of scantily-clad coeds. One or more will be taking a selfie at any given time and all will be showing side boob, nipple and/or ass cheek in their booty shorts and tank top.
"Damn, that's the third slut bubble I've seen tonight!"
6👍 1👎
One who gets off to AT memorabilia, and loves the "bubble" of the Appalachian Trail. The bubble being a large grouping of thru hikers.
Strider, the bubble slut, follows the bubble all season long.