The phrase "annoying thing" refers to something that bothers or irritates someone. It could be a behavior, a situation, or an object that causes frustration or discomfort.
Sentences with «annoying thing»
The most annoying thing about most of the double strollers is that they are too wide to handle. (10exposed.com)
One of the most annoying things about dating sites is when people are nothing. (petesgrillandpizza.com)
Making an online dating profile is one of the most annoying things in the world. (petesgrillandpizza.com)