Top Definition
A dildo that has some form of adhesive, that literally allows it to be slapped on, over the woman's vagina. The infamous danger being it detaching in a compromising position, such as pegging.
Mary stood up slapped on the Slap On and was ready to peg.
by ThatGodTodd October 22, 2014
7 Words related to slap on
To slap someone on the back of the head. This is some times used with omega and pine.
Lets all give him a slap on.
by Bensonator_v8 July 12, 2005

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