1 definition by dominikagirl

Top Definition
A girl; when she wakes up and she is grumpy.
She may punch you, or make rude remarks.
Generally the grumpus has blonde hair and green eyes, and pouts her lower lip when she is angry.
"Wow, she just woke up and hit me in the face, what a grumpus!"
by dominikagirl November 04, 2009
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