bird tube. Must I say anything else?

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 post-fellatio slap across the balls. Nine times out of ten, the recipient will emit a shrill hooting sound.

Also, it's a hoot.

Adjective, used to describe situations, places, people and so on which are likely to provoke amusement and excitement. Derives from the joyful hooting that will arise.

1.Slang term for Marijauna
2.A Blunt rolled with a peach white owl, hence the name " Hootie ".

Female sex organ. My ex-wife said her momma taught her and her sister that term when they were little girls.