carpet-crossing n. the act of joining an opposition (political party) or conceding to its policies. Also floor-crossing, crosstitution. (source: Double-Tongued Dictionary)
Further reading
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Is there something inherent in English that makes it the linguistic equivalent of the Borg, dominating and consuming other languages in its path? No, not at all. The answer lies with politics and conquest rather than language itself. Plus: a new...