1. noun The part of a man interested in a tallyho.

2. The part of a man a tallyho could care less about.

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.

An informal word for penis, mostly used to make fun of the size.

a cock, strudel, penis, shaft, meat and two veg, etc a description of the appendage between a males legs

a PENIS, a penis used to whack

A Tallywhacker is a stick that is used to keep score. (originally) and yes, a vernacularism for dong.

part of the male genitalia, as used for whacking tallies