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1.
fake issues.

(say fish-oos)
everyone has fissues.
by dominika March 23, 2008
 
2.
Fucking issues......
That guy I was seeing had some serious fissues.
by artnotwar March 27, 2007
 
3.
Any issue related to fish.
"He breaks out in hives when he eats fish... He has real fissues."

"There was a parasite in the fish tank causing the goldfish to die. That aquarium has major fissues"
by Rychenrolller January 26, 2013