The 3 vaginas of the female kangaroo. Sperm is delivered through the lateral Bell & Biv when mating, while the DeVoe functions as an exit to the central birth canal. The Biv is most desirable.
I'll be damned if I didn't just see an hour previous at the zoo a right tawny kangaroo jack pop a sweet jill right in her Bell Biv DeVoe with his bifurcated pud!
Calling someone mint jelly means they're a craven fugitive from justice, attempting to flee or hide from law enforcement.
In other words, they're "on the lamb," hence "mint jelly."
JonBoy caught a body and now he's mint jelly. You know I pulled out that futon. You always gotta stand by your boy.