Like a car slut but for motorcycles.

Backpack referring to a female bike whore, Usually named Edina.

The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.

describes socially conscious and/or underground hip hop

A dom top that is significantly shorter than their bottom partner.

when a girl has a huge ass

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.

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.