gay as a window

Originating from the comedy show Brass Eye, 'as a window' is used to describe a characteristic in an individual that is obvious and others can see-through that person's best efforts to hide it.

To describe someone who is obviously gay i.e. marco from big brother

A person who likes guys as much as a male window does.

The epitomy of Gayness, no insult referring to a persons sexuality is as offensive as being told you are "Gay as a window"

To be very very gay, homosexual or shirtlifting. to define somebody as gay as a dutch window, the recipient of such horrific abuse, must have done something very poorly, acted in a queer fashion or displayed his effeminate side to a large degree.