Top Definition
1. The act of men being immature. Similar to babies/toddlers.

2. Reverting back to childish ways because of fear of the future/responsibility.
Johnny: "Ughh. Give me the remotee you butthead!"

Alice: "Stop being so mebble! Grow up!"

Johnny: "Nooo I don't wannaaa!"
by Michanna Bronnor February 26, 2009
5 Words related to Mebble

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