The female version of what is known as 'Cock Blocking'
I just got fanny fenced!
I feel like she is constantly fanny fencing me!
when a virgin nerd, trying to impress his girlfriend, trying desperately to find where to shove his cock, without success
little jonny cant find his cock so he is fanny fumbling
A person who takes a long time to do things, puts things of and generally procrastinates.
Do you ever have a friend who takes AGES to get ready and is constantly finding excuses to hold you up?
Sandra: Are you ready yet?
Amy:Nearly, I need to go to the toilet and then find that scarf.
Sandra:Well hurry up we have to go.
Amy:I need to change this jacket, it dosen't go.
Sandra:Will you just hurry up and stop being a fanny-waggle.
Achieveable fanny is clunge that you realistically have a chance with. The girls that you could go over to, strike a conversation with, and actually end up tickling her belly button from the inside at the end of the night.
"Hey mate. You missed out last night, there was loads of achieveable fanny about."