This is a humorous expression when pets play too rough.
Tiger and Fluffy were rough, so l feared when they wrestled the kittens they might murderize the babies!
by I, Wreckerrr May 24, 2021
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A person who kills their mother during childbirth.
Ex: Dude, you're such a murder baby, you offed you're own mother before you were even named.
by DDAJR February 11, 2014
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