Take this medication 'on an empty stomach'. [=when your stomach is empty because you have not eaten for a time]
When I had the flu, just the thought of eating made me 'sick to my stomach'. [='nauseous']
She felt a flutter in 'the pit of her stomach' when he walked through the door.
(..) of Quatloos riding on this, and he has figured out a way to win. He's got Scotty back in the transporter room, locked in on Chekov's stomach. Every time Chekov eats a pie, Scotty beams it right out of him. Where is he sending them? The toilet? Space. (..)2013 TvShow: Breaking Bad Title: Blood Money Season: 5 Episode 9
(..) Europe. I can't believe it. - Were you there when she said that? - Yeah. You okay? Your stomach okay? Yeah, oh, yeah. I'm fine. Okay. God. Jesus, Europe. I just-- And, you know, (..)2013 TvShow: Breaking Bad Title: Blood Money Season: 5 Episode 9