1flop 
/ˈflɑ:p/ verb
flops; flopped; flop·ping /ˈflɑ:p/ verb [no obj] 1 : to fall, lie, or sit down in a sudden, awkward, or relaxed way
▪ He flopped down onto the bed. ▪ She flopped into the chair with a sigh. 2 informal : to fail completely
▪ The play flopped. [=(US) bombed] ▪ All of their attempts have flopped miserably. 3 : to swing or move in a loose, awkward, or uncontrolled way
▪ The curtains were flopping around in the breeze.
▪ He flopped down onto the bed. ▪ She flopped into the chair with a sigh.
▪ The play flopped. [=(US) bombed] ▪ All of their attempts have flopped miserably.
▪ The curtains were flopping around in the breeze.
— see also flip-flop
