Married guys who hit on single women without the intention of closing the deal. They are in the game to prove they can win. Once they catch it, they throw it back. Can also apply to married women.

A big sport fisherman is called a Hemingway.
Jim was playing sport fisherman last night and he spent the whole time with some young ladies.
by Jeff Lee October 25, 2007
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Someone who catches their sperm after masturbating and throws it.
You can tell he's an accomplished sport fisherman by how many cum stains are on his ceiling.
by Professor cum bubbler September 1, 2019
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