Twat

1, a pregnant fish
2, to hit very hard
3, a vagina
4, an insult.

Someone can also be "twatted" meaning extremely drunk.

1," a twat has just given birth."
2, "I'm going to twat you in a minute!"
3, "she had a lovely twat."
4, "you are a complete twat."

Lady

Rhyming cockney slang for £5.

Lady Godiva - fiver

'ere! Lend us a lady, me ol' china?

Which tea leaf has half inched me lady?