Variation of the shortening, "Bro," which is an abbreviation of the word, "brother." However, it does not have to be restricted to a blood-related brother. It an be used instead of an actual name. It is commonly used among surfers.
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