In Asian cultures there are formal ways of speaking and Casual ways of speaking like you would with a friend. It's the casual from for the Korean Language
Yonghwa: Ah Hyun, why can't you ever use Banmal with me?
Hyun: Oppa, you're older and it's hard to.
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