Manscissor
When two gay guys try and scissor like lesbians. They face opposite directions and are able to fuck eachother in the ass at the same time.
I think i walked in on nick and brett doin the manscissor.
Manscissor
gay guys open their legs wide and rub eachothers dicks
"man what the fuck i just saw timothy and branden manscissor in that room"