1) Bad shot 2) Billiard blunder 3) Billiards blunder 4) Billiards error 5) Billiards goof 6) Blunder 7) Faulty snooker stroke 8) Faulty stroke in snooker 9) Flub 10) Goof 11) Muff 12) Pool-table gaffe 13) Shot 14) Slip in a pool parlor 15) Slip-up 16) Snooker foul 17) Snooker slip 18) Stroke 1) Boner 2) Booboo 3) Error 4) Flub 5) Parapraxis 6) Slipup 
• (n.) A false stroke with a billiard cue, the cue slipping from the ball struck without impelling it as desired.
(General) A stroke which results in the cue tip contact with cue ball being faulty
Mis·cue' noun (Billiards) A false stroke with a billiard cue, the cue slipping from the ball struck without impelling it as desired. 
incorrect striking of the cue ball
[n] - a faulty shot in billiards
Refers to an error.
noun a minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc. noun a faulty shot in billiards; the cue tip slips off the cue ball