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1.
An action which involves shitting right in a shoe and making it slide down to toe
Poo-in-the-shoe is often gifted to someone you dislike most

Originated in Petrozavodsk, Russia
Oleg: I hate that muthafucking asshole from grade 10
Artem: Give him some juicy poo-in-the-shoe
by veggy time January 12, 2011
 
2.
the stupidest phrase in the entire world
Drew Miller is not poo in the shoe
by deeznuts218953629 January 25, 2012