Top definition
(noun) Someone who masturbates (i.e has a "toss") but never admits to it (either because they think it's disgusting or otherwise). Girls make up the majority of secret tossers.
Frank: Oy Jenny, do you masturbate?

Jenny: No! That's disgusting!

Frank: Quit being a Closet Tosser already & just own up to it!
by J. Bloom May 13, 2014
Happy St. Patties Day!