Verb. The act of being fellated by a milf.
Dude 1: "Hey dude, why the big smile?"
Dude 2: "Yeah!! I've just been milfellated."
Dude 1: "Way to go! Who's the lips then?"
Dude 2: "Your mom."
Dude 1: "WTF?"
by Wizards Sleeve May 19, 2005
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Noun. The surprising and previously unknown discovery that one experiences when it becomes clear that older women are in fact fitter and more desirable than younger women.
Patient: "I don't know what to do, doctor. I'm married to a wonderful woman, I've got a great sex life, but every time I see 45 year old Brenda at the office, I get chest pains and need to go to the toilet."

Doctor: "Oh, that's nothing too serious, normal for a chap in his twenties like you. You've obviously had a recent milfelation. Here's a prescription for '40 and Over 40', drop it in at the Fags 'n' Mags shop and you'll be back to normal before you can say ‘Women's Weekly.’"
by Wizards Sleeve May 19, 2005
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