Belly up (to something) verb phrase
To walk up toward to somewhere (often a bar)
Let's belly up to the bar and order a few more drinks.
To confront or deal with a problem in a direct and confident way
1.To approach someone or something with the goal of achieving a certain result.
2. To take decisive action to convert a situation to your advantage.
(Almost) going to occur, come, or begin.
1. To address a problem or circumstance.
2. To approach someone or something aggressively or hostilely.
3. To pelt or bombard someone with something.
4. To attain something.
5. To assent or agree to something.
The verb "belly" must be conjugated according to its tense.
The origin of this phrase is not clear.
If someone has a cast iron stomach, they have a strong stomach that can digest unusual food and even bad food without being ill.
Jimmy must have a cast-iron stomach, when he drank milk with lime juice and felt perfectly fine afterward.