What is Peter-in-law?
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A relational distinction. If you sleep with a girl, then your buddy sleeps with her. You are his peter-in-law. The relationship is one way. You would not be his peter-in-law unless you sleep with that girl again *after* him.
Sean Penn (Madonna's ex-husband) is the peter-in-law of Guy Ritchie (and let's face facts, a bunch of other people too!)
Random Words:
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That person who keeps sending me really annoying emails.
If that emailomaniac sends me one more send-this-to-ten-people-or-else email, ..
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A step relative. i.e. stepbrother, stepfather etc.
"Hey Mom, are you picking me up from the airport tonight?"
"No sorry..