"to prance about in a self-satisfied manner," 1872, coined by Lewis Carroll in "Jabberwocky," apparently by blending gallop and triumph. Related: Galumphing.
Ungraceful; heavy and cumbersome: his dead eyes, croaky voice, and large galumphing body (1891+)
To move or cavort ungracefully; crash heavily about: Linda Evans galumphing around the edges like a wounded rhino/ who had seen him practically every day of his life galumphing around the house naked
[1872+; coined by Lewis Carroll in Through the Looking Glass]