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1 definition by The Fritz Machine!

the act of fondling a males testicles (preferably sweaty testicles) while inserting your forearm up to your elbow into their anal cavity.
eliot: Dude im so bored and we got no buds left.... what can we do?
fergal: Wanna crack a phat nelson?
eliot: Fuck yea man build up a sweat and well pull a nelson!

by The Fritz Machine! March 01, 2009