In language, alliteration refers to the repetition of a particular sound in the first syllables of a series of words or phrases. In comments, it's a device that's hit or miss. Hit, this one did.
Mikado delivered this bit of alliteration. I've been reading it (internally) in Michael Caine's accent pretty much all afternoon. "You were only supposed to blow the bloody doors off!" style. Maybe that's what put it over the edge.
They tried to take Tiff's timepiece, 'till this tiny twenty-something was all like "Tough titties, terrible thieves, time to tackle Tiff's troublesome timepiece-takers!"