Word used to describe an inbred child that has a massive forehead.

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.

To be a "third wheel" in a situation where only a couple should be together. Think of the single lightbulb in an interrogation room.

that thing that goes over your head when you have an idea

A glass thing that lights up. Thomas Edison created it. In some comics/cartoons when a person gets an idea a light bulb pops above their head.

A breakdancing palm tree from the Hagaren fandom.

A light source which can be considered fun to look at while high