To accost or detain a person in order to force them to engage you in conversation.
Man, I dropped by this party last night to say hey to a friend, and my ex was there, and before I could get out she totally buttonholed me in the foyer and starting crying about how we should get back together. It was messy.
by FireAndRain August 16, 2004
Her skirt is so short and she wears no panties. You can almost see her buttonhole.
by soreofhing August 12, 2009