noun
(uncountable) Flexibility, pliancy.
(countable) An act of flexing.
(uncountable, chiefly UK, Ireland) Any flexible insulated electrical wiring.
(countable) A flexible insulated electrical cord.
(uncountable) Flexible ductwork, typically flexible plastic over a metal wire coil to shape a tube.
(countable, geometry) A point of inflection.
(countable, slang) An act or instance of flaunting something; a boast or brag; something considered impressive.
verb
(transitive, chiefly physics or biomechanics) To bend something.
(transitive) To repeatedly bend one of one's joints.
(transitive) To move part of the body using one's muscles.
(intransitive) To tighten the muscles for display of size or strength.
(transitive, slang) To boast or brag about; to flaunt (something).
(intransitive, slang) To flaunt one's superiority; to show off.