Motorboating, but with your tongue waving all over and tons of slobber flying everywhere.
I was more than happy to marmaduke her ample cleavage.
by Kray-Zee September 15, 2009
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A lame, unfunny comic strip in the newspaper centred on the antics of one large dog named Marmaduke.
Marmaduke is one of the shittiest comic strips ever. Read Foxtrot, it's 10x better.
by 4dimensional January 2, 2005
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The act of mooning another individual, or group, and bending at such an angle that the mooner's ball sac is revealed.
I was so upset by the referee's bad call, that I dropped my drawers and blinded him with a marvelous marmaduke.
by Rowdy Yates January 4, 2006
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An extraordinarily large or voluminous bowel movement. Named in part for the comic-strip Great Dane, known for his extreme size, and in part for duke, a shortening of the fecal synonym dookie.
"Be careful in that stall man, someone took a massive marmaduke in there. It's filling like 75% of the bowl, and they clearly left it there out of pride. Or maybe the toilet just gave up."
by Ambivalent1 March 24, 2014
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the runt of the pack. commonly to refer to himself as 'frodo' due to lack of originality and pure BUTTERZness. can be found wanking over pictures of huckleberry with his grotty little willy.
is that a meal worm or a penis you're wanking with you disgusting marmaduke!
by huckleberry1 July 19, 2011
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A guessing game, very similar to I Spy, played by hippies while under the influence of random substances (most likely marijuana).

The item that you're guessing is called the marmaduke.

If you can't guess what it is and give up, or if someone else figures it out before you, then you just got marmaduked ...bitch.
by kay bee November 4, 2004
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