n. Chiefly British Slang
One who spends an inordinate amount of time exchanging remarks in computer chatrooms or participating in discussions in newsgroups or on bulletin boards.

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.

A derogatory term used to indicate someone with one of the following:

1) A penchant for academic study, above and beyond the call of duty

2) Higher than average intellectual capabilities

See also swot, nerd, geek.

Someone who spends a lot of time in computer chatrooms; specifically, "talkers," which were text-based chatrooms accessed through telnet that were popular before everyone found out about the interweb.

1. Someone, typically a student, inordinately naive and foolish outside of their academic field.

2. (verb) To perform one's scholastic duties to and beyond the call of duty.

One who obsessively reads all the definitions of a word in the Urban Dictionary, then decides to send in their own definition.

Social degenerate, possibly inbred and definately looks like it. Some spods think they are geeks, where as infact - they're not, they're incredibly stupid, and ugly.