get (one's) rocks off on (something)

get (one's) rocks off on (something)

vulgar slang To be or become particularly excited by or enthusiastic about something, especially in, or likened to, a sexual manner. There are a lot of trolls who get their rocks off on insulting or annoying other users. It's pretty creepy that some people get their rocks off on stuff like this.
See also: get, off, on, rock
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