What is Rusty Umbrella?
1.
during foreplay when you stick your hand in someones ass to make it looser by spreading your fingers. since the anus is a tight muscle it happens slowly. hence, the rusty umbrella.
"my anus is tight man," says ethan"give me a rusty umbrella"
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A popular idea or statement passed around within a subset of the population as if it was factual, but for which there is no supporting e..
