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1. In physics, a slight irregular motion in which the axis of rotation of a largely axially symmetric object such as a gyroscope or a planet.

2. In sex, an act during intercourse in which gyration by the receiving partner (usually on top) resulting in a slightly irregular circular movement of the penis within an orifice while the depth of penetration remains constant.

3.In molecular biology, to mix a solution by rocking in a slightly irregular manner using a nutator.
Dude, I can never get off when she is on top because she nutates way too much. It is like her vag is jar of peanut butter and she is trying to scrape the last bit out with my wiener.
by nutator April 27, 2009
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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2
(verb) during sex, when a woman rotates her hips in a circular fashion around the man's cock, usually Pelosi style
"Yo man, she nutated me so good last night."
by back_it_up April 27, 2009
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