A person who will undertake the act of being a sleaze at any opportunity. This is accentuated when the sleazeberry is under the influence of alcohol, and can reach dangerous levels when there is both alcohol and large numbers of attractive members of the opposite sex in the vicinity.

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.