Definitions by teeeeeeheeeeeteeeee

Slanky Neck

A neck with abnormally large hickeys all over it.
Hickey filled neck.

Look at my boy nick over there with his slanky neck
Josh got that slanky neck thing goin on

To be rude or unkind to your extremely nice older sister or relative.

My little sister ( Kobi) is being such a twat waffle right now.