Slang for "lend me," as in money or other goods.

1. Used by weightlifters to ask someone to observe themself while lifting weights. The primary purpose of which is a safety measure in case the weightlifter is so tired that the weight will fall on him causing bodily injury.
2. To ask someone to lend you money.

To give a person money when they are in need it is usually only a few dollars and does not need paying back.

When you've just got a haircut or new clothes that you want the other to notice.