Alternative spelling of knock knee

(of the legs) having the knees abnormally close together, and the ankles spread apart / (of a person or animal) suffering from genu valgum (or tibia valga)

The sound produced, in an internal combustion engine, by the ignition of the fuel-air mixture before the piston reaches top dead centre

(transitive, idiomatic) To astonish; to stagger or overwhelm; to confuse or disorient.

(Britain) A secondary, often unintended effect; a repercussion, chain reaction.

(transitive) To stun; to surprise. / (transitive) To drink an alcoholic beverage swiftly or often. / (transitive, UK, Australia) To reject; to refuse.

Alternative form of knockabout

Alternative spelling of knocking shop

In diesel engines, a repetitive knocking sound when delayed ignition causes sudden high pressures.

to spend time with someone as a friend / To do a relaxing activity. / To be in an unknown place. / To hit someone, or behave violently towards them.