2) a word that can take the place of someone's name if you do not want to "name name's"
"What's that boy's name you used to date?" ..... "Oh you mean irrelevant?"
2) A person who tends to think they are "doing big things" and are so popular but nobody know or cares who they are
Girl 2: Bird Man is a irrelevant and you are too for saying that shit!
Most of searching with Google is trying to filter out all the irrelevant garbage that Google throws at you during a search.
Dude, just google it!
I did irrelevant it. I came up with 500,000 sites reviewing the monitor, 200,000 sites selling me a monitor, 1,000,000 sites listing users manuals in general, 2 support pages, 10,000 forums - just forums about general topics - and 15,000,000 SEO-optimized spam search sites.