definition of
bicker

[1] #1 bicker v. [quibble, niggle, pettifog, squabble, brabble] argue over petty things; "Let's not quibble over pennies". wn

[2] #2 bicker n. [bickering, spat, tiff, squabble, pettifoggery, fuss] a quarrel about petty points. wn