A sexual encounter during lunch hour, especially one which is illicit.(noun)
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Use "nooner" in a sentence
"Oh, and along the way he had all the largest Bankers by for a closed door love-fest that had them all out on the White House lawn looking like they'd just had the political equivalent of a 'nooner'."
"But I didn’t get it, and so she’d finally explained to me that a nooner was a Mexican-American lunching, and she added that she’d always wanted to be a stay-at-home mom while her man went out into the world and worked his ass off to keep their kitchen full of frijoles, tortillas, and carne asada."
"For practical purposes, those time frames do give some insight into why the so-called nooner can be an effective way to match a couple’s sexual urges."