To block or slow passage through (often with 'up').
Hair is clogging the drainpipe.
To encumber or load, especially with something that impedes motion; to hamper.
To burden; to trammel; to embarrass; to perplex.
To enforce a mortgage lender right that prevents a borrower from exercising a right to redeem.
To perform a clog dance.
Having an obstructed flow; blocked.