Assuming you share the knowledge of that ‘ precise extralinguistic context’ you are in with your speaker but otherwise you might be misunderstood.
Let’s stop pulling that skin-game on each other, shall we ?
Cut that grift, will you ?
No more song-and-dance sucker game, ok ?
More those ‘nice noun phrases’ in a similar vein to your heart’s content :
snow job, run-around, flim-flam, double-shuffle, hustle, double cross