Top Definition
A way of describing giving oral sex to a male.
Hey babes, why don't you get down on your knees and smile like a doughnut?
by chrissy86 July 24, 2008
9 Words related to Smile Like A Doughnut
What girls need to do to perform oral sex.
Baby...Why don't you smile like a doughnut and get to work.
by Willagain May 30, 2008
prepare for oral sex.
man:ready to smile like a doughnut?
woman:i don't wanna! what kind of girl do you think i am?
by tomcon5 February 25, 2009

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