What is Flappage?
1.
The alternative name for the part of the vagina called the Labia.
Lets say a group of lads standing outside a.... i dont know, a tyre Warehouse saw a fit lass walking past, they might say "check out the flappage"in order to bring everyones attention to the fit lass.
Or you could say, "i got some bwad flappage last night" meaning you had some vinga action.
See
2.
Garland reference to excessive dropping or
We're seeing alot of flappage from your modem rack.
See
3.
Something Hindle simply can't get enough of
Hindle: "I really need some flappage"
See
4.
the same as a 'badly-packed kebab'