When two dudes touch their boners together at the tips creating one straight line super-boner, and another dude jerks both of them off at the same time, all the away across both dicks back and forth.
An extension on fingering in which the fingerer curves his fingers upwards, towards the navel, of the fingeree's vagina, in order to both stimulate her G-spot and, more importantly, prevent her escaping.
I gave Eleanor a VietnameseMeat Hook last night, I could tell by her eyes she wanted to leave, but she didn't have a chance.