Using the shaft of the penis to stimulate the clitorisand labia at the same time. In missionary facilitated by griping behind the knees and rotating the womans pelivis upwards. Can be done in doggy position via reach around.
Once I put the Cocksaw on her she greased right up.
The Act of melting or squashing something using men stacked belly to back, face down in speedo's, while other men use the stacked men's arms and legs as the ends of a saw by pulling them back and forth in a sawing motion, resulting in a cocksaw.
Jack hid the key's to the guy's cars in a block of ice, telling them the only way to get it is to perfom the dreaded cocksaw.