TWOTD is "gravid"

[OC]

gravid
(GRAV-id)

adj.

Being with child; heavy with young; pregnant; fruitful; as, a gravid uterus.

[Markel]

Mmmm - mashed potatoes and gravid.

I also considered the following, but it plays upon the actual root of the word:
Sir Isaac Newton did lot's of experiments with gravid-y.

[zippyjuan]

I heard Tom Cruise had his name gravid onto his baby.

[DarkFury]

Of all the laws we observe... those that you generally can't break or ignore include the Laws of Physics and Gravid.

[zippyjuan]

When I see something I like, I gravid!

[hoey222]

i always like the story of gravid and goliath as a kid.....