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A nose chunder. The act of chundering through thy noise. Typically acheived by shutting your mouth during a chunder. Importantly, nunder is always accidental. You cannot TN (tactical nunder). What you can do, however, is TCN (tactical chunder nunder); which is a chunder turned into a nunder.
"OH MY FACE Sean, don't nunder on boxhead!"
by The naked top floor July 13, 2008
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