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when being at an overcrowded location ( eg train, tram, bus ) you encounter a massive boner and thus the action of 'telescoping' must be employed. this means flippin your erect peepee out of your pants not forming a bulge in the crotch area, rather hiding it smugly paralell to your stomach, under your tshirt.
"Dude i had such a massive bone on the bus that i had to do a telescope!"
by vANis November 24, 2003
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