Pooch Butter 

When peanut butter is used to lure a pet into licking ones gential area.

Dana gave her dog some fancy pink boots and treated herself to some pooch butter. (what a sick bitch)

Pooch Butter by fido March 26, 2004

Butter Pouch

A vagina which is or was infected with a sexually transmitted disease which generally includes a discharge. e.g. Yeast infection, Vulvovaginitis, Chlamydia. Slang originated in Ottawa, ON.

I wouldn't stick my dick in her, she has a butter pouch.

Butter Pouch by JayJay147589 August 1, 2018