It's a
filler for describing what someone
said. Like saying: blah, blah, blah or yada yada
yada.
usually used when trying to get to the point.
Friend: What happend with that girl you met at the club?
Me: the b*tch was like "I like your chain (woopty woop
woop)" so I was like (woopty woop
bam boom)