beak off

verb4

1. •
   (slang) To complain.

   • Stop beaking off at everyone all the — The first pitch blows right by. — 2005
2. •
   (slang) To boast.

   • All you do is sit around, scratch your balls, rub your lucky tummy and beak off about how much money you're making! — 1997
3. •
   (slang) To yammer; to blab.

   • No one seemed to care that a lowly trooper was beaking off during an officers' meeting: in fact, clearly everyone had been listening to him, not the other way around. — 2019
4. •
   (slang) To be truant; to skip school.

   • Most attend school reluctantly and some 'beak off' (play truant) regularly. — 1996