A form of masturbation but can be used during sex.
While buffing the banana apply ample volume of bacon grease to said appendage to act as a lubricant. Right before ejaculation however, grab that shlong and grasp it with both hands and squeeze tight like your strangling someone.

This can be used to prevent full climax whilst masturbating, allowing you to go that little bit longer.
it can also be used in Sex by the female squeezing instead to allow the male to keep on plowing.

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.