- (US) Of or relating to things that occur in Washington, D.C., usually in relation to United States national politics.
- (US) Out of touch with sentiments of persons living outside of Washington, D.C.
- (New Zealand) Of or relating to New Zealand politics in the capital city of Wellington, New Zealand.
Derives from the Beltway, a highway that encircles Washington, D.C. Transferred to New Zealand