To have queer relations with another mans butt crack.
Man, I would love to queer his crack.

or

You're gay, I bet you would queer his crack if you could.
by The Crawnic February 19, 2003
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to insert the erect genitellia of the male into the anal cavity of another person.
Donksta would queer your crack, watch out Coby, here he comes.
by T$ March 5, 2003
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