Butter Tard 

a fool who smells bad and has butter pits frome ating too many butter tarts. Usually can't spell and makes lots of typos due to the fact their fat fingers are coated in butter tart.

This butter tard ate all my butter tards.

Butter Tard by mrpeepeplace October 8, 2023

runny buttertart 

a sex move where after anal sex, the male ejaculates at the top of the buttox crack, and watches his semen run down the anus and then vagina

I love giving my women the runny buttertart.

runny buttertart by York March 28, 2004

Buttertart 

A butter tart is a type of small pastry tart highly regarded in Canadian cuisine and considered one of Canada's quintessential treats. The sweet tart consists of a filling of butter, sugar, syrup, and egg, baked in a pastry shell until the filling is semi-solid with a crunchy top.

“If you put sex and gold into a blender ... you’d get a buttertart” - Brittlestar

Buttertart by TertianPuma December 14, 2020

Buttertart 

A girl with a lot of cushion for the pushin

Have you seen Flood's Mom? That bitch is a buttertart.

Buttertart by Segaphreak August 31, 2006