tsk Share definition Flag The click of the tongue that most people use when irritated, pissed, or finds something/someone annoying or unamusing Mary: John, he's at it again John: TSK!That boy never learns tsk by Madlover27 February 27, 2015 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