The name given to "Watchmen" character Dr. Manhattan's Penis.
"HOLY SHIT! Look at the size of Lower Manhattan."
by Verin1337 October 02, 2009
Top Definition
Pull down your pants and take a dump between the couch cushions, then put the cushions back in place.
That nasty bitch came over to my house last night and did a lower Manhattan!
by B-Rad 69 October 25, 2011
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