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1.
Mythical aquatic creature similar to a basilisk. This snake like monster is native to the drains and sewers of greater Chicago, and commands the respect of all the street hoods with his fatal stare......

Used to describe any thug or all around badass who is capable of kicking serious ass. The Nigfish's greatest weapon is its ability to sneek into ur house, eat your cookies, mac on ur mother and take a shit in ur toilet before you realize it was there......

Because the Nigfish reproduces everyday of the week the term is used to describe any man and his Harem of hot bitches.
are no synonyms because nothing comes close the the greatness or badassery of the nigfish, but can be used to describe certain people such as-
Stud, sexy beast, man with large cock,
by Semy April 27, 2010