Pissant

A pissant, also seen as piss-ant, refers to a specific kind of ant. The word is also used as a pejorative noun or adjective. It has its origin in the word pismire, a 14th-century term for ant. The original pissant is any of a certain group of large ant species, commonly called wood ants, that make mounded nests in forests throughout most of Europe...
Found on http://en.wikipedia.org/wiki/Pissant

Pissant

Pissant is American slang for trifling, paltry, insignificant.
Found on http://www.probertencyclopaedia.com/browse/ZP.HTM
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