Top definition
A sexy grandma/grandpa/grandparent who happens to be very stupid but also very kind. Think, "grand-person I'd like to f*ck" combined with "himbo".
Simone is such a gilfbo, honestly...
by Magjxjx October 26, 2020
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Jun 25 Word of the Day
When someone thinks they are the main character of their life. Usually comes with a side of individuality complex, quirky style and a self centered point of view.
"I asked Jenny where the beer was and she said 'Just over the horizon, like my dreams.'"

"Yeah, that girl has a major case of Main Character Syndrome."
by CrazyandIknowit April 27, 2021
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2
combination of gilf and bimbo/himbo/thembo

a grandma/grandpa/grandparent "i'd like to fuck" who is very stupid, sexy and kindhearted
i used to think he was a just a himbo, but it turns out he's a gilfbo!
by currymulligan October 26, 2020
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