fall flat
• fail completely to produce the intended or expected effect.
• "his jokes fell flat"
Similar:
fail,
be unsuccessful,
not succeed,
lack success,
fall through,
break down,
abort,
miscarry,
be defeated,
suffer defeat,
be in vain,
be frustrated,
collapse,
founder,
misfire,
backfire,
not come up to scratch,
meet with disaster,
come to grief,
come to nothing,
come to naught,
miss the mark,
run aground,
go astray,
