to cum in extraordinary amounts
i sploonged all over her face. i sloonged till i looked like a prune.
by Anonymous July 22, 2003
When stuff melts and splunges out your head.
My brain melted and sploonged out my ear.
by Kenji and Dagger July 29, 2003
The sound of a large shit dropping into the toilet (The plop sound)
Ow it hurts...sploonge.
by Natalee August 13, 2006