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When a couple is about to perform anal sex and the man covers his dick in glue and proceeds to ram it into the girl's asshole, thus forming an inseparable siamese twin.
"Dude, you gotta try the siamese dick with your girl tonight! Don't forget to buy the glue!"
by BiigFrahh July 02, 2014
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May 29 Word of the Day
Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.
As the sun sank down over the pier, the children fishing gazed in horror as the lard-ass on his flat bottom boat sent the lakeshore into Mercury retrograde.
by BatWingg May 17, 2021
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2
When you become stuck together during sex. Can happen when using glue instead of lube or naturally.
Bob1: Hey Bob2, why is there a girl standing right in front of you?

Bob2: Oh, we have a siamese dick.
by MerpyMoo August 30, 2016
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3
When your dick and balls are stuck together so bad from sweat, grime, and fromunda, that they won’t easily separate in order to pee, resulting in a poor stream.
My siamese dick is back today. It’s 90 degrees out and when I went to piss I needed two hands to free it from my sack.
by Goosey Goose July 22, 2020
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