square up with

flea in (one's) ear foul out take a fling at at the expense of give someone the finger gang up on get to first base fly off the handle play second fiddle after a fashion forget oneself throw down the gauntlet quite a few lay eyes on explain away play someone false to the full fly in the face of gee up food for thought fall off feather one's nest by fits and starts on one's feet far and wide fat chance in full play footsie with in evidence gear up