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Acronym for : Large Upper Penis Territory Of Nastiness; the male equivalent to a FUPA.
Man With LUPTON and woman with FUPA can never fornicate due to large protrusions of nastiness.

That LUPTON was so fat, I had to Fuck it!!!!
by FUPA lover November 24, 2006
The dirtiest, grossest type of whore around, STD and AID infested,permently smells like jizz

should take great offense if callled a lupton.
-"you lupton"

- man it smells like jizz,

there must be a lupton around here.

- thats the corner where luptons stand.
by spitz66 July 18, 2010