A term of endearment or a cute nickname.

A slang term or expression for something that's delightful or enjoyable.

आनंददायक या सुखद चीज़

English Usage: "That party was a real lulu!"

Hindi Usage: "वह पार्टी वास्तव में एक लुलु थी!"

To have fun or to enjoy oneself (informal/slang usage).

मज़ा करना या आनंदित होना

English Usage: "They went out to lulu at the festival."

Hindi Usage: "वे त्योहार में मज़ा करने गए।"