But Greece's official creditors have their own reasons to get cold feet about another rescue package.

ECONOMIST: Rescuing Greece

This is no time to get cold feet.

FORBES: The Fiscal Cliff: How To Call The Big Spenders' Bluff

But Gerald has an intricate system to ensure he doesn't get cold feet.

BBC: Bristol - Keeping a giraffe warm in winter

If the Russians refuse to accept the phraseology NATO offers them before July 8, when the alliance is to gather in Madrid to issue invitations, some Europeans could get cold feet.

CNN: Clinton And Yeltsin Agree To Disagree