What to do in order to have a belly

The idea of fitness is not having a belly. Why do you want a belly? Are you male or female? Either way, you should be muscled and flat with abs.

Tick

I find that plenty of beer gets me mine

Get pregnant!

Beer and junk food if you're a guy.

Pregnancy if you're female.

I don't recommend either if you're underage.

Why do you want a belly? Most people thrive to get rid of theirs, not gain one. This question is very odd.