Thut

when your butt blends into your thighs, or there is just no definition between your thighs and your butt, you have a thut (thigh-butt).

noun

guy 1: "Damn, that girl's got no ass at ALL!"
guy 2: "Nope, she's got some thut action goin' on though..."
guy 1: "...ya nasty..."

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