mo
- A short period of time; a moment. nounI'll be with you in a mo.Can you wait just a mo?
- A colloquial term for a mustache, often used in the context of Movember, a month-long event where men grow mustaches to raise awareness for men's health issues. nounHe's growing a mo for Movember.Check out his impressive mo!
- A slang term for modus operandi, which refers to a person's particular way of doing things. nounThat's just his mo, always late but reliable.Her mo is to tackle the hardest tasks first.