Roger was hearing more clearly than her, but Angelina was doing a terrific job of making his senses fall away. Still, he managed to flip everyone off around them with the hand that used to be on her waist, before immersing himself fully to the kiss.
If she thought he was going to be leaving her alone after this, she had another thing coming. Sure, he may have found Penelope attractive, but the last time he checked, he had seen her being friendly with Percy Weasley elsewhere in the pub.
Reluctantly, he let his hands fall away from her when she pulled away. He chased after her lips to get a few last pecks in, but didn't protest too much when she decided she was going to go dance then. "Tease," he accused, laughing as he leaned back to watch her.