To take a free ride; to take advantage of a benefit without contributing. / (finance) To buy and sell shares or other securities without actually having the capital to cover the trade.

Infested with fleas. / Mangy; filthy.

(US, slang, education) To participate in a special education program, such as for those with learning disabilities.

A car park with connections to public transport services, allowing commuters and other travellers to complete their journey via bus or rail system.

(informal) A car park or other roadside location at a railway station, airport, etc. for brief stops to allow the dropping off and picking up of passengers.

(skateboarding, snowboard, BMX) A trick where the rider makes the bottom of the board touch the side of a wall.

Resembling or characteristic of a riddle.

(idiomatic) To take advantage of a profitable period.

Answer this riddle (or other difficult or tricky question) for me.

A surname originating as an occupation. More often spelled Ryder.