A woman's pubic region which is overgrown, crusty, and smelly, which resembles a batch of thin, french-fried onions.
Saturday night I hooked up with this hot redhead from the bar. As I peeled off her panties, her Irish haystack brought tears to my eyes.
by Michael Christopher January 16, 2006
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Clipping your pubes on you lover or liker, unsuspecting or not.
"I thought that was fucking floss!" -m'lady

A real man will never irish haystack and tell. Her.
by Pat Carey July 29, 2010
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