ITT we list stupid catchphrases, ideally with info on origins

"lol internet" - first saw this as the 10,000th post on /b/ as a reply to a stupid cartoon.

"relevant to my interests" - first coined on idlechan's yuri board when people argued over whether non-sexual pics of marimite should be allowed or not. the person who first said it was in favor of it and said marimite pics were relevant to her interests.