AB, Adult Babies	:=	Grown-ups who wish to be treated as babies. This can include the wearing of nappies, bottle feeding and changing (see also Age Play)
Abuse	:=	"physical maltreatment" and "improper or excessive use or treatment" (Merriam-Webster Dictionary) "An abusive relationship is one in which substantial physical, mental, or emotional harm is inflicted, that is not temporary in nature, and is not clearly compensated for by positive and loving experiences over a long period of time." -- by louise, 1997
Age Play	:=	Role Play involving an "age change". Ex. Grown-ups who wish to be treated as babies, school boys/girls, …
Algolagnia	:=	Medical/psychological term for the love of pain. Colloquially known as "Masochism".
Alternative Lifestyle	:=	A sexuality that differs significantly from the 'norm' may make an alternative lifestyle necessary or desirable. A sexual orientation less common than the norm may stigmatize the individual pushing the person to seek a more accepting subculture. An example is BDSM, homosexuality and the formation of the gay community.
Animal Play	:=	Role playing wherein one or both partners assumes the role of an animal, chiefly: puppy, dog, and pony. (see also Pet Play)
Asphyxiation	:=	Arousal from lack of oxygen
Auto-Eroticism	:=	Masturbation, "Do it yourself"
Anilingus	:=	sexual stimulation of the rectum using the tongue