Splunker Share definition Flag The water that hits you in the ass when you're taking a shit. It took me a half a roll of toilet paper to dry off my ass after that splunker! Splunker by Grondinelli January 24, 2009 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