Green’s Dictionary of Slang

puckey n.

[? similarity to SE puck, a disk of hard rubber, used in hockey; or ? poo n.1 (2)]

excrement.

[US]H. Ellison Shatterday (1982) 301: You know something, Novins [...] you’re really full of horse puckey.
Jen Havig Guestbook of CMB Clarinet Section on Wash. State University [Internet] The clarinets have an UPDATED web page?!?!?!?! Well dip me in puckey and call me stinky. Well, don’t really, that’d be gross.