it's this facebook thing where someone will set their status as "like for a wasssup" and then that person will write on that persons wall in an annoying question format that spams your newsfeed.
LaDouche: "like this for a wassup"
LaDouche: "Simbad? The simbad? the simbad who ate all my salsa? (inside jokes.... inside jokes... blah blah) well... wasssup?