If an underage girl has reached puberty, she may be considered appropriate for sexual activity. The reference to "grass on the field" is a metaphor for pubic hair, meaning that any girl who has reached sexual maturity, may be an appropriate sex partner.
if there's grass on the field play ball
by Laura Owen September 20, 2006
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Traditionally, used to denote the beginning of (American) baseball season practice anxiously awaited by enthusiasts each springtime: If there was grass growing, then the season had progressed enou gh past winter to start the new season: "play ball!" More recently, it has become a slang inferring statutory laws regarding underage females did not, in practice, realistically apply and that instead, the presence of pubic hair (grass) indicated sufficient maturation to begin sexual activity (play ball).
"I know your sister's only twelve, but I go by baseball, not age, "If there's grass on the field, play ball!"
by Azi0056 February 17, 2019
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The worst insult any man can bestow upon another man. The slight utterance of this word will leave another man dead where he stands.

Only use this if the roast sesh you’re having has escalated too far
Guy 1: “you bob for Apples in the toilet, and you like it”

Guy 2: “you play ball like a girl!”

Guy 1: *collapses*
by Dadoof21 March 11, 2018
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mainly used to interrogate those chicken munchers.
Officer:Alright Which one of you chicken munching basket ball playing african monkeys did it?
Black Suspects:It wasn't us man!!
by M4A11X November 8, 2023
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When you play basketball with exclusively black balls. This is unlike the famous story of Rosa Parks.
by Mrbuttholesmeller June 4, 2023
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