1) Beans 2) Diddley 3) Diddly shit 4) Diddly squat 5) Jack 6) Nil 7) Not a bit 8) Zero 9) Zippo 1) Diddley 2) Diddly squat 3) Diddly-shit 4) Diddlyshit 5) Jack 6) Malfunction 7) Nothing, so to speak 8) Shit 9) Small indefinite amount 10) Small indefinite quantity 11) Squat 
a thing of little or no value; naught: Your excuses aren't worth diddly to me. · a flaw; malfunction.