Carbuncle used in a sentence

Carbuncle in a sentence as a noun

I mean it's great to get rid of that overloaded carbuncle of user-agent, but that will just lead to a new round of interpreting "hints".

It's a meta-startup for discussing other people's startups; it's a carbuncle on a vain, self-absorbed slice of our industry.

Scriabin had a whole musical language worked out and plans for a masterwork that involved sounds, sights, smells, and a strange language of sighs and grunts... but then he got a carbuncle on his lip and died.

I don't want to sound like Prince Charles with his "monstrous carbuncles", and I accept that perhaps there may be some people that somehow find that sort of "modern" building somehow aesthetically appealing, but I can't see how anyone would possibly think it was in keeping with the rest of the terrace either side, and have absolutely no idea how they got planning permission in such a strict conservation area.