A combination of the words 'lol', 'golf', and 'haha'. It is meant to express amuesment. It is a substitution for overused words such as 'lol' or 'haha' or 'golf'. It is only used by the coolest of cool people. meme
Joe: What'd you think of Avatar?
Suzy: It was half dubs dece, though the Pocahantas shit was a little overdone.
Joe: Fuck you I thought it was da shit.
Suzy: Totes whatevs. Wanna get some chicken selects?
A term from the popular YouTube livestreaming show, GTLive. MatPat, one of the two hosts of the show, has explained that it originated from his 7th grade teacher who would give her students a clap and a half as a form of ridicule. MatPat has since adopted the gesture as a sign of appreciation towards the GTLive audience.