An item that has been repaired many times and contain none of its original parts.
I've had my mountain bike for twenty years now. It's like triggers broom
An object that has had a lot of parts replaced or repaired; it’s in reference to a scene from the 1996 episode sitcom Only Fools and Horses, Heroes and Villains, where the character Trigger talks about how when he worked as Road sweeper he used the same broom for 20 years, and how it has had 17 new heads and 14 new handles
I’ve had to have another new part put in my car, it’s like triggers broom now