To peck or "nip" at a recently produced human excrement.
Hey Urkle , check out that Turdnip over there. Hes eating all my fresh shits
by thephantomdoodler August 18, 2009
1 more definition
A turd nip is a nipple in the shape of turd.
Woo There , She's got a reyt turd nip on Eh !
by David shagmidad August 07, 2008