Its a nice way to say cunt in front of your mum
oh mother your gynie called he said your flange was a okay
shagging a girl with her knickers on
lifting the flange
i gave that girl a right good flanging
a 'bit on the side', i.e sex with someone who is not your regular partner. But now taken to mean any female. Because a flange in engineering is a bit on the side of the main thing.
God the slug and lettuce was stacked with prospective flange on friday night.
a projection around the rim of a shaft, used for for attaching to another object
viz. the vagina labia minora
she jived her arse off, flanges flapping
She's got fine flanges, man. Gothic arch.
a flange-sandwich
Sweaty Flange - a smelly vagina!
my flange is real sweaty - you probably don't want to go down there right now!
DO NOT get these two mixed up...
1) Professionally means the joint between two pipes (as in plumming)
2) Refers to a very smelly undesired (by both sex's) vagina. Probably originated referring to a girls plumming.
Sally: She's got such a flange.
Kaylee: How would you know that? I thought you were straight?
Sally: I mean the pipes beind her sink.
Kaylee: Oh. Haha.