Diddle my fiddle 

Fingering oneself to the point of orgasm whilst listening to music played by a fiddle.

Spencer said he would diddle my fiddle later tonight.

Diddle my fiddle by iNfONATION January 28, 2014

Fiddle my diddle 

When you are playing Fiddlesticks in the game League of Legends, shouting "Fiddle my diddle" will make your max health double. Some say it is gay to say "Fiddle my diddle", but they have never gotten the boost.

"Fiddle my diddle!"

Fiddle my diddle by #bufffiddle2k17 May 27, 2017

doddle my foddle 

To tickle a male person's anus with your tongue.

I really want you doddle my foddle, then feltch me!

or

Did you hear about Cameron? He doddled the cats foddle!

doddle my foddle by CBTP January 6, 2010