Top Definition
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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