Green’s Dictionary of Slang

1. the vagina.

1987		Admiral Bailey ‘Punnany’ 🎵 Glamity, glamity, it a fi sen’ mi.
1996		Shaggy [song title] Glamity Power.
2004		‘The Mad Bull’s Blog’ at www.madbull4.net 19 June [blog] A wouldn’t like fi tell u di evilous thoughts dem weh a run true mi head when mi si the glamity deh.

2. (also glammity, glimmity-glammity) the ‘ability’ of a vagina, i.e. a woman’s sexual prowess.

1995		Francis-Jackson Official Dancehall Dict. 22: Glammity a woman’s vaginal prowess or ability: u. gi me de glammity.
2004		www.artistdirect.com 🌐 No wonder, as the current generation of women are not the prim and proper ladies of the roots age; they’re ‘Full a Glamity,’ and no man can tell them what to do.
2007		D.Y. Anitafrika Rivers 3: The glimmity-glammity hold him tight all through the night.