(Chiefly
British, and best appreciated in a British accent.)
Any large-bore corrugated tubing. Generally made of
thick plastic - making it stiff - while the corrugations allow for some flexibility. Generally used for routing cables around a room, or exhaust
gas from an air conditioning unit.
I say -
heat's building up in the machine room.
Don'
t suppose you could toddle over and check the elephant's cock's not fallen off the air con, old boy?