1 definition by BillyJC

A Gleenis is a word originating from South Jersey, usually used as a synonym for roof tiles, particularly pool/swim club roof tiles. Gleenises can also be used to describe any type of tile, including floor tiles.
Joe: Whatcha doin'? Huh? Huh? Huh?

Matt: Dude, stop being so annoying! Go count the gleenises or something...

Joe: I already have! There are 32,038 gleenises at the pool!
by BillyJC July 11, 2009
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