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Like a car slut but for motorcycles.

Backpack referring to a female bike whore, Usually named Edina.
Backpack: "He can do mad wheelies! idc if he's got a Mrs, I'm riding on his bike tonight"
by M I S S R E V E N G E ! December 21, 2017
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
A dom top that is significantly shorter than their bottom partner.
For particularly clingy tops: It’s like when you’re getting ready to leave the house: keys, phone, wallet...backpack!

I just met this guy, he was super aggressive...a total backpack.
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3
the new talib kweli is a party album but he's still backpack at heart.
by daniel December 02, 2004
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5
A form of hip-hop music that is socially conscious. Emphasis is placed upon the lyrics and beat production, usually inspired by the world around the producer/rapper. Few artists adopt the style for fear of being seen as nerdy, but it is far from that.
Common, Kanye West and Talib Kweli all make backpack rap.
by RENEGATUS DOT COM August 22, 2005
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6
A contributing factor to the growth of back pains. To help with the stress of all students this was invented to give teachers the excuse to load you with every book they want. Weight limits should be an obtainable thing.
Are you going on a vacation? Or to study?

A backpack should be and item to carry when camping.
by ThePerplexingH May 07, 2015
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