A terrible tummy problem. Where your stomach hurts like somebody is stabbing you and you're screaming at the top of your lungs while endlessly shitting out yellowish brown diarrhea for over a week straight.
Seriously you do NOT want this to happen to you.
A: Roo are you okay
B: No. I got Roo Tummy syndrome.
When you drink too much water because you're high and your stomach hurts.
Man, that weed made me thirsty and I drank too much and now I have water tummy.
When you have a tummy ache so bad that you're going to explode a toilet
Usually takes place after eating taco bell
John: "Bro I have taco bell tummy so bad right now"
Joe: "Alright man bathroom is down the hall"
someone who obsessivley play tummy sticks
Pgoo? that's a tummy god
someone who obsessively plays tummy sticks
Pgoo likes playing tummy sticks. he is a tummy god
that shitty stinging stomach ache that hurts to walk around with
Sorry boys I just came down with the tummy monsters