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.

(v) The practice of strategically using an oblique reference within your online profile, chat client, group tag or status message-du-jour, the understanding and appreciation of which is likely to require an extensive google search.

The cyberquivalent of Dennis Millering.

officially tallied Wit and Coup scores are dependent on the following conditions:

1. that the reference is sufficiently orthogonal to anything like "common knowledge"
2. that the particular point of the obscure reference is something cool

Extra scoring awarded if:

a) the reference constitutes a double entendre
b) the reference means something different to different people

Not to be confused with googlebating (which uses a whole other set of mouse fingers)