1. "He went galumphing back." (Lewis Carroll, "Through the Looking-glass and What Alice Found There")
2. The little kid went galumphing to his mother to show her something.
A term coined by Lewis Carroll in the poem "Jabberwocky" which was on the novel "Through the Looking-Glass, and What Alice Found There" published in 1872.
It's a combination of the words 'gallop' and 'triumphant'
"He left it dead, and with its head
He went galumphing back"
(Lewis Carroll, "Jabberwocky" from "Through the Looking-glass and What Alice Found There")
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.