From "matrimony". The situation in which your friend is married to a complete tool, thus making them act like a twat.
"Hey, have you heard from Dave since he married that daft woman?"
"No, he's become a victim of twatrimony so can't speak to us anymore"
"No, he's become a victim of twatrimony so can't speak to us anymore"
by MADmansMetalHarmony November 29, 2011
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