Aack 

Aack Pronunciation Key - Show Spelled Pronunciationaak

1. when you can't tell when a person's back stops and their ass begins.
2. the rear part of the human body, extending from the lower end of the ass to the upper back.
3. Otherwise known as Jaack (Jay's Aack). Not to be confused with Jack (JD), Jay's drink of choice.

Jay you should really shave your Aack.
Kara, Jay's showing his Aack again.
Jay, Get your Aack off the ice.

Aack by BIG5HOLE October 25, 2006

guest aacki 

guest aacki is a virtual assistant on the nintendo wii u, so if you need anything call out for guest aacki

justin "hey im having some trouble with my wii u does anyone know how to fix it?"
dave " just call out guest aacki!"
justin "thanks dude:)"

guest aacki by 4ngry September 2, 2021