Male mutual masturbation. Just like the example in my avatar. We need video clips of this wonderful behaviour.
Doing it for real is the best fun. Masturbating with strangers is the best. Especially when you feel a tentative hand slide over your thigh, brushing your bulge, which twitches in electric response, and you let the warm fingers wriggle down inside the crotch of your pants and coil round your tingling cock...

Even better is cock2cock rubbing! Rubbing your cock against another's cock, up and down each other's shaft, your balls tickling each other until you explode extra-hot sticky cum over one another...

Hmmmmm

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