1 definition by Ben Bookworm

(verb) to engage in nerd-like behavior by spouting knowledge about totally irrelevant or uniteresting topics; to cement your lack of skills at social interaction by demonstrating your proviciciency in an obscure area of study.

(noun) one who engages in sponching behavior
Friend of Sponch: ew, you have snot on your sleeve!

Sponch: Did you know that snot is just a colloquial term for the nasal mucus that's created by the nasal mucosa, and serves to protect the respiratory tract?

Friend of Sponch: Could you please stop sponching in public?
by Ben Bookworm December 10, 2006
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