treefroggin Share definition Flag when the testicles become so sweaty that they stick to the inside of the leg, much like a treefrog clings 2 a tree branch dude stop,i cant bike antmore im treefroggin like a motherfucker. treefroggin by chainsawcharlie86 October 20, 2007 0 0 Get merch Get the treefroggin mug. Buy Now — $32.95 See more merch