Flabrock Share definition Flag When your dick gets stuck beneath a rock and you lose the ability to become erect. (Aussie slang) "Oh shit! That guy just got flabrocked""I wish I was that rock..." Flabrock by neonpegasus45 August 31, 2024 0 0 Get merch Get the Flabrock mug. Buy Now — $32.95 See more merch