Slang term for semen and seminal fluid (male ejaculate). It serves as a transport for sperm, and its natural function is to impregnate women.

Human sperm is composed of 200 to 500 million spermatozoa, amino acids, citrate, enzymes, flavins, fructose, phosphorylcholine, prostaglandins, proteins, vitamin C, acid phosphatase, citric acid, fibrinolysin, prostate specific antigen, proteolytic enzymes, zinc, galactose, mucus, pre-ejaculate and sialic acid.
(copied from Danbooru)

See also:

bukkake

Updated by Zenex about 10 years ago