a sprawling vine (Ecballium elaterium) of the gourd family, with a small, fleshy fruit that separates from its stalk and squirts out its seeds when ripe
See squirting cucumber in American Heritage Dictionary 4
(skwûrˈtĭng)
noun
A hairy Mediterranean vine (Ecballium elaterium) having fruit that when ripe discharges its seeds and juice explosively.