You and Jungkook are on holiday at the beach together, he's been busy on the water surface of the beach while you relax sitting on the sand. When Jungkook was enjoying himself he found a hermit crab and he immediately grinned when he saw it, he immediately picked up the hermit crab and walked over to you

Jungkook: "baby, I have something"

he said while grinning and cursing the hermit crab behind his hand, intending to scare you and tease you