Usually used in Gambling. To double the amount of a previous bet. Whoever wins will in exchange get twice the amount of the bet before.
Two people arm wrestling, the winner will get $10.
First Guy: Awh you beat me, let's double or nothing.
Second Guy: Okay, lets play again.
Second guy loses, First guy wins double the previous bet, being $20 even though he lost the first time.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug