An injection is a map f: A -> B such that
f(a)=f(b) => a=b for all a,b in A

A word used to describe drugs that are injected into the blood stream in one way or another, therefore injectables.

When you get stabbed.

To inherit characteristics of a certain nationality/ethnicity from your father. The “injection” is the ejaculation inside that person’s mother during their conception.

(noun) the depositing of sperm in the vagina

see also squirting jam into a donut

(also known as mainlining)
Verb.
The point where you/someone else injects/puts drugs into them self with a needle.

This doesn't have to include bad drugs eg. speed,heroin and any other drugs.

This can include drugs like; The chicken pox injection to prevent you from getting this disease.

Inject is an adjective defining something beyond infected. Also used to describe a busted woman or whenever it sounds good.

Ex: two girls one cup is inject