Pssh Share definition Flag Used in place of 'Yeah Right', 'As if', 'Whatever'. It is just way cooler to say it. Person 1: Dude, you smell worse than anything my nose has ever had the misfortune of coming in contact with. I'm serious. Person 2: Pssh. Pssh by Newo December 4, 2004 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