Short for there is plenty.
"Dude, is there any pizza left?"
"Spleny!"

or

"Is there any beer left in that keg??"
"Lemme check....Spleny!"
by Curly Bob August 6, 2009
Get the spleny mug.
Anthony: "Sir, can you help me? I have a splenis!"
Matt: "What the hell is a splenis?"
Anthony: "It's a splinter... in my penis."
Matt: "DAMN SON"
by sp53 December 3, 2007
Get the splenis mug.