Even the most promising startups have Achilles' heels that can topple them overnight.

He can back-heel the ball into the net when defenders close him down.

The striker's ingenious back-heel caught the goalkeeper off guard and led to the winning goal.

Her old boots were down at the heel, but she refused to replace them because of the memories attached.

The old theater looked down in the heels, with threadbare seats and peeling paint.

His shoes were down in the heel, but he refused to buy new ones.

He arrived at the meeting wearing a down at the heels coat that made colleagues frown.

Those shit-heels stole my bike and rode off laughing.

Those shit heels cut in line at the coffee shop and then bragged about it.

Her highlight reel included several audacious back-heels that left defenders stunned.