Ackman Share definition Flag Ackman is an Australian slang term for defecation. It was first used by Hugh Jackman. "Now, I need to go take what I like to call a "Huge Ackman". Ackman is Australian slang for shit. Don't look it up." Ackman by HJMs PR team October 17, 2023 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug