|lose your marbles
||lose control of your mind, lose it
||When people grow old, do they lose their marbles?
|lose your mind
||lose control of your mind, go out of your mind
||If you continue to use drugs, you'll lose your mind.
|lose your shirt
||lose most of the money you invested
||He invested in condominiums and nearly lost his shirt.
|lose your temper
||become angry, get mad
||When you lose your temper, the children become frightened.
|lose your tongue
||be unable to think what to say, cat got your tongue, mind goesblank
||It's embarrassing to lose your tongue when you're standing in front of an audience.
|lose your touch
||lose some of your skill, lose it
||"I'm losing my touch," he said, looking at his drawing.
||losing the ability to think or remember, not sharp
||I think I'm losing it. I can't add or multiply without a calculator.
||losing game after game, losing a series of games
||The Jays are on a losing streak. They've lost four games straight.
||a low-priced item to bring customers to a store, bogof
||The loss leader at SuperStore is a package of coffee for 99¢.
||(See a lost cause)