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When a couple acts as though they are the only ones around, refusing, or barely acknowledging anyone's presence, yet complaining when they are not invited to events. This act makes events sour and unbearable.
Ugg Kaitlin and Ryan are totally lemoning, they didn' even say hi because they were so involved with themselves.
by lazerst November 12, 2010
The act of standing around like a lemon.
Brian- Hurry the hell up, I been Lemoning for the past half hour!

Paul- Sorry Mush.
by Call Me Nothing January 27, 2010