"EPIC AS FUCK!!!" (EAF) is a useful acronym that can be substituted for phrases like: "really good"; "very awesome" and/or "waaay bomb."

Duh!

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.

Efficient As Fuck
It defines the master of efficiency

Short for "Exposed Ass Fart".

When you do a fart bare-assed without any pants or underwear on.

it means "easy and fast"

Eaf means absoloutely nothing, but can be used in context to replace just about any word or convey an emotion.

Can be used as an acknowledgement, greeting, agreement, protest, etc. depending on what tone it's used in.

Speculated to have originated in the clarinet section of Bayside High School's (Palm Bay, FL) marching band some time around 2001-02.

Acronym for "Extra as fuck". A word to describe your typical teenager behavior. Can be used for feelings of excitement as well as feelings of disapproval.