NoMo stands for "No money, Mo money" a phrase used by those who use a simple personal finance app called "NoMo" which lets you know how your finances are doing.
Let me check on NoMo, if I got No money "I'm staying in", if I got Mo money "I'm going out"
Nomo is a locality in the inner-east of Sydney, Australia. The name "Nomo" is the syllabic abbreviation of "North (of) Moore Park". Nomo sits at the southern end of the suburb of Paddington, and the locality is bounded by Moore Park Road, Oxford Street, South Dowling Street and Flinders Street.
Marko: "Hey Elias, where do you live again?"
Elias: "I'm over in Nomo."
Marko: "Oh I've never heard of that, where is it?"
Elias: "Just north of Moore Park, opposite the Sydney Football Stadium."
Marko: "Ah nice that's a cool area, I love Nomo!"