underwater wanking, dating back to medievil times, fisherman were known to relieve themselves while catching the days food supplies

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 mix of wanking off and spanking your mokney or act of masturbating.

Were a man is masterbating in a ferocious pattern of rageously jagging his penis about.

V. a reference to hilary swank, to hit another person with a milky towel or a tube sock full of ranch dressing