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1.
A pillow placed between two men sharing the same bed, to clearly define the space of each and prevent unintended / unwanted homosexual encounters during the night. Poss. homophobic.
ADAM: I don't want to sleep on the floor. Can't I sleep in the double bed with you tonight?

STEVE: I feel uneasy about that. I miss my girlfriend and might roll over and hold you in the night.

ADAM: Don't worry, we'll put up a gay-barrier!
by Tim Shaw July 31, 2011