1) To have sex with someone.
2) A loud noise.
Do not get the two confused.

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.

Something that is said to be extremely good.
Usually used for something that is elite or top tier.

1. The part of your hair that covers your forehead.

2. To have sex with.

slang for sexual intercourse. Likely originated from the banging between the front of the male's thighs and the woman's buttocks when she is mounted from behind (submissive position).There is a degree of male aggression in this position. The male leads, and the penis goes in and out of the vagina with force

to have sex with someone, to hit up, to fuck

Something Ricky Martin claims his "women" do. (We all question you on this one Ricky)