1 definition by Lord BrianD of Trees

The act of gaining a woman's trust, conving her to get on all fours in a sexual setting and then proceed to shove your index finger into her anus with consent
"Flip over and trust me", said Matthew, before proceeding to Miller her.

"Why did you break up with Matthew?"
"He was into Millering"
"Ew gross, good call"

"He Millered me"
"PAHAHAHAHAHAHA"
by Lord BrianD of Trees June 1, 2017
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