To freeze. Often used as a synonym for thaw or defreeze, although this is hideously incorrect. It actually means the opposite, when taken literally. Don't argue it. You are wrong.
Pete "The pizza was frozen so I let it unthaw for half an hour."
Willy "Get the fuck out of here you hick. And for the record, it's 'thaw'."
Willy "Get the fuck out of here you hick. And for the record, it's 'thaw'."
by TangClock February 19, 2009
Get the Unthawmug.