Encara no tenim significats per a "stifle a burp".
1He swallowed again; stifled a burp with the back of his hand.
2He put a hand over his mouth and stifled a burp.
3She upended her own and drank half of it without stopping; then she stifled a burp, ladylike, against her hand.
4"Huge cocks," he said, stifling a burp.
5"This is what that looks like," Naomi said, then stifled a burp and put her chopsticks down.