A woman, typically of the trailer park meth user variety, who you bring along in your car for the purpose of evading traffic tickets. Primarily dwells in the trunk or other non-visible locations in the vehicle until deployment is necessary.

Must possess a high enough level of obesity to be mistakenly identified as pregnant.May or may not service you depending on the size of meth rock you pay her in.
"Heard Billy got pulled over doing 90 in a 50. Good thing his trunk bunny was there to scream she was having a miscarriage."
by Prosebunaga January 23, 2023
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