1. lose it - Verb
2. lose it - Phrase
lose control of one's emotions
Source: WordNetIf you begin to guard wealth it will not be yours. But if you begin to distribute it, you will not lose it. Basil of Caesarea
The quickest way to end a war is to lose it. George Orwell
You're only given a little spark of madness. You mustn't lose it. Robin Williams
He who puts off something will lose it. Corsican Proverb
To relax the mind is to lose it. Latin Proverb
The good that you scoff at and ignore, you'll recognize when you lose it. Sicilian Proverb