Top Definition
A female psychopath
"That bonnesen has been sending me letters with drawings of when we get married but she is already married!"

"I think that bonnesen is trying to steel my man."

"She has been saying she's pregnant and she isnt, I think she's a tad bonnesen."

"She has been self harming she's a proper bonnesen."
by saywhatusee February 06, 2010
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