On the fifth day of the Lunar New Year, people welcome the God of Wealth.
Tips
culture
There are multiple Chinese wealth gods. The most common 'civil' one is 赵公明 (Zhao Gong Ming), riding a black tiger and holding a gold ingot. The 'martial' wealth god is 关公 (Guan Yu, the Three Kingdoms general). Families welcome him on the fifth day of Lunar New Year (大年初五), called 接财神 - setting off firecrackers before dawn to invite wealth in.
usage
爷 is an honorific (like 'Lord'). Figurative use is common: calling a client or boss 财神爷 means 'the person bringing us business/money.' Not disrespectful in commercial contexts - often flattering.
Chinese folk deity (or family of deities) who brings prosperity. Worshipped through New Year posters, ingot-shaped offerings, and firecrackers on the fifth day of the Lunar New Year. Shopkeepers display statues of him at cash registers for good business luck.