Wank Sandwich 

When you have Bloc Party playing in one ear and The Kooks in the other.

"Fucks sake! I'm caught in a Wank Sandwich here!"

Wank Sandwich by John in Fleet February 18, 2009

Wanksandwich 

When two females are 69ing (licking each other out at the same time) each other and a male ejaculates in between them.

"I'm well going to wanksandwich those lesbos" Horney Fat Guy

Wanksandwich by Cockmaster69 June 5, 2009