Squinch Share definition Flag Squeezing and pinching at the same time while taking a huge dump to compress it so that it doesn't rip your asshole on the way out. The pain made me squinch just in time, or I would have had to get a chopstick to dig that turd out. Squinch by Phuqit November 11, 2006 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