A sensation occurring when something seriously creeps you out. In many cases it will cause you to twitch and say "jibblies" involuntarily.
Strong Bad: You may notice I didn't do anything to the Poopsmith. I figure the guy shovels crap for a living so his tolerance for pain's gotta be through the roof. I was thinking about giving him a bath or something but, just the thought of that gave me the jibblies.
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.