2 definitions by Brian Conway

Top Definition
Much like the Dino Spumoni, The Fonz is when you catch two people off guard and shove both of your thumbs up the said persons rectums and shout "Aaaay!"
"Kathleen and I were talking in the common room when Mike came out of no where and got us with "The Fonz"...now I have a restraining order against him."
by Brian Conway January 21, 2009
The act of shoving your thumb up another person rectum in an act of surprise while exclaiming the phrase "DINO SPUMONI!"
So we were all drinking lots of beer at Eastern when I went to bend over to talk to a wasted chick and that guy Alex totally gave me a Dino Spumoni.
by Brian Conway January 21, 2009
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