1. A childish way to describe pleasant-tasting food, similar to '
yum'. Rather like '
yum' it is also used to describe something appealing to senses other than taste.
2. Baby-talk for food.
3. An abbreviation for 'number'.
1. "Num num.. that's good pie."
2. "Mmm, baby food.. num nums for babykins!"
3. Num 3, num 4.