s'affaler signifie anglais

flop [flopped, flopping, flops]▼◼◼◼(to fall heavily, because lacking energy)
verb
[UK: flɒp] [US: ˈflɑːp]

sprawl [sprawled, sprawling, sprawls]▼◼◼◻(to sit with limbs spread out)
verb
[UK: sprɔːl] [US: ˈsprɒl]

slump [slumped, slumping, slumps]▼◼◻◻(to collapse heavily)
verb
[UK: slʌmp] [US: sˈləmp]