For those of you who think the word 'Motherfucker' is not quite rude enough, 'Mothercunter' gives a whole new meaning to rude. It's like swear-word porn

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 real fuckhead.
A harsh term of abuse.
Akin with being called a motherfucker, only with that little bit of extra 'pep'.

A word having the dual ability of calling its recipeient not only "incestual," but also questioning their sexual orientation, by suggesting the recipient is unable to "fuck" and must therfore "cunt" instead.

A universal insult that incorporates the wonderful word "cunt" into an alternative to the common and overused phrase "mother fucker". Generally used as an insult.