1.An exclamation of joy over having just performed something improbable.

2.A finale to a particularly cutting remark
"I just recieved a pass one-handed, dodged three blockers and scored a touchdown of 65 yards so tudow!"

"You may indeed have beaten me at Halo 3 but I slept with your wife so tudow!"
by Andrew Ramsey December 2, 2007
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