bust out - definition and synonyms

phrasal verb [intransitive] informal
present tense
I/you/we/theybust out
he/she/itbusts out
present participlebusting out
past tensebust out or busted out
past participlebust out or busted out
  1.   From our crowdsourced Open Dictionary
    2
    to do something exraordinarily great

    Mark Zuckerberg busted out some Mandarin in a recent Q&A in Beijing.

    Submitted by Boris Marchenko from Russian Federation on 30/07/2015
See also main entry: bust