clanahan Share definition Flag a Clanahan is scottish for a bad motherfucker, someone who can put their mind on anything and be the best at anything they do Person 1:”Dude I can’t believe he’s a navy SEAL Person 2:”Yeah I know he’s a Clanahan clanahan by autismoes March 18, 2024 0 0 Get merch Get the clanahan mug. Buy Now — $32.95 See more merch