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2.
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
 
1.
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