Clare your throat before you speak !
When they came to Ellis Island, not one of them could speak a lick of English, but they all had "To NY" on their hats.
Use zodiac signs
A nun with a javelin in her throat. (The only joke I can ever recall when asked for one. Told to me by my art teacher in Grade 11. Needless to say, he was my favourite teacher)
Because she had a frog in her throat.