lolusad
When faggots on the internet try to act cool and replace the word "mad" in "lolumad" with "sad". It usually derives from /b/ forums when people who are 'sad' do something so life-wasting and pathetic then shit themselves and some /b/tard comes along saying "lolusad".
fag: wtf man diz is a piece of fucking shit man, fuck u cunts
/b/tard: lolusad
/b/tard: lolusad