barf (informal), chiefly N. Amer. ■ verb: vomit. ■ noun: vomited food. 1960s (orig. US): of unknown origin. © Oxford University Press, 2004 vomit=puke= barf= throw up

puke / vomit

I just learned a new word. Barf means "chunder". As to what "chunder" means, it's here: http://www.italki.com/answers/question/87529.htm

barf = chuck up

barf vomit throw up up-chuck spew blow chunks ralph