Old 1930's slang for homosexual. See it for yourself in a movie called "Life" Eddie Murphy and Martin Larwence. Bernie Mac plays the homosexual and his nickname is ....you guessed it....
Jangalang how many men are you going to try to have sex with?
Nick name for a fellow that is well endowed..........if you know what I mean. Meaning that it's so long, it sounds like a large chain when pulling it out.
She called me Franktill she saw me naked, now she calls me jangalang.