A combination of "gross" and "grody." Most likely said when a person is flustered by an overwhelming characteristic of another party. Upon trying to insult said party, the first person combines the words and becomes more flustered.
Jeremy: You're grossy.
Kyle: I'm not grossy! You're grossy! I don't even know what that means!
Jeremy: It's like gross and grody. Duh.
A word that is said when you get a subway sandwich that is different than your regular pick me up, and it turns out that that sandwich tastes like a beanboozled jelly bean.
"Did you try the Meatball Marinara?"
"Yeah, it was so grossy because it tasted likecanneddog food."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.