When two people over the age of 80 have sex they technically become dinosours so its considerded Dino sex. If the man or woman can still have an orgasm its probably in the powder form which may be kinky for many people, but it is rare to see the powder.
Dude I totally saw this MILF grandma powder in this Dino sex I watched last night.
by EuL0Gy December 9, 2008
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Dinosours are often loud and clumsy.
This act must be made with a larger female, allowing insertion of the penis into the fat rolls formed when female is on her hands and knees.
Dino tummy sex refers to the clumsiness of dinosours, often sideways humping each other.
"Did you hear John and laura last night?"
"They must have been having dino tummy sex"
by A. Reynolds August 16, 2006
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