backlack

The severe lack of a shapely ass; a small booty.

I.e., the opposite of badonkadonk.

Man, that skinny girl has a bad case of backlack.

by purplehayes, BOSTON, MA March 12, 2011

Backrack

Fat deposition resembling that of a female bosom located on the back of male or female subjects. Usually occurring in pairs, they lack an areola, nipple and are incapable of lactating except in a rare condition called Conditional Lactare Obesus Perspiration aka the CLOP. see CLOP for more information.

Person 1: "She's so fine, look at that Backrack."
Person 2: "Sorry man, look like she got the CLOP!"

by beeftits August 3, 2011

backjack

the art of bending the penis through the back of the legs for a handjob

she said she was gonna show me something ive never seen before so she pulled my pp through my legs and gave me a backjack

by peepsey April 8, 2008

Eating Backpacks

Eating backpacks is a fun activity that people of all ages can enjoy!

Girl: Don’t you just love eating backpacks on a nice summer day?
Boy: Yeah! It’s the best thing ever!

by whyamidoingthisrightnow November 10, 2019