Jamjar

A gay guy with a large anal area that needs filling.

Rich: Hey there Sam, wanna have a go at my jamjar tonight?
Sam: OMG Rich, can't you try and tighten your piece for me...it's so saggy!!

or

Rich: I need to learn to close my legs whilst drinking at the gay bar.
Sam: Yes, you need to put a lid on your jamjar.

The strummer or the flicker

This is the lesbian equivalent to the gay top or bottom, or giver or taker. One strums and one flicks.

Rachel: Hey there Sian, do you wanna be the strummer or the flicker tonight?

Sian: Hmmm...I fancy being a strummer tonight, but please can you flick me?

my hand works great on a snake

A guy with a good masturbating technique.

Hey there Billy, wanna go for some love time? ...my hand works great on a snake.