Mc Grill is the act of a man crapping into his partners teeth after which the man takes his dick to brush the shit all over his partners teeth. Let me see them grills!

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.

sex act performed on unsuspecting women by enterprising males in which after a particulary thorough deep throat session, the male proceeds to defocate on the females teeth and then brushes them with his dick. Then proceed to sing "let me see them grills your what? Your grills.."