This is the name given by fans of Uma Therman to her. It cleverly mixes MILF and Uma using the M as a joining letter.
Dude! Uma Therman is a MILF!

Nah, Shes not dan, Shes the Umilf!
by Hamie Jouse May 18, 2008
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a common nickname given to Uma Thurman because of her high-ranking milf status.
dude, check it, it's Umilf on Kill Bill vol. 1!
by yourmumsuckedme May 18, 2008
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