Side back 

a slang term, common in marching band stretches involving the side of your back made up by Tran

"Manny, are you stretching your side back?"

Side back by Marching weirdo July 24, 2016

back side bonus 

The frosting that sticks on the bottom side of your donut from the donut below.

Melanie picked out a donut out of the box and received one with a little Back Side Bonus.

back side bonus by Quincerr September 30, 2012

back-side attack 

Term used for the attachment of the nucleophile in an SN2 reaction to kick off the leaving group. In slang, it means to fail a test or have a lot of difficulty on a test, especially an organic chemistry test.

That orgo test just back-side attacked me, SN2 style.

back-side attack by synchrohobbit November 20, 2006

Back side 

Hit it doggy Style

Back side by Quazimoto June 5, 2003

Back side 

dairy-air, as in:

i'll put a whuppun 2 ur backside, yah crackuh!

Back side by DCPimp August 24, 2003

pullback back-side 

The act of getting a blowjob from the back.

She is a freak man. I bent over and she pulled my penis to the back and started sucking it.

O so she gave you a pullback back-side blowjob

pullback back-side by slap happy7 December 8, 2011

The back side of the urban dictionary 

Hi! Well uh, thi is even more secret than the secret side uh... Heres the nutrition info of the urban dictionary then.

CALORIES
150
Calcium 40mg 2%
Carbohydrate Total 18g 6%
Cholesterol 0mg 0%
Total Calories 150
Total Fat 8g 10%

Total Fat Saturated Fat 1g 6%

Total Fat Trans Fatty Acids 0g
Iron 0.3mg 0%
Dietary Fiber 1g 4%
Potassium 50mg 0%
Sodium 210mg 9%
Protein 2g
Sugars 1g
IQ 0.000000001 mg
And that is the nutrition info of the back side of the urban dictionary

The back side of the urban dictionary by i killed my wife for children March 31, 2023