A classic prank

Vanessa crept over to the kitchen. Then, as silently as she could, she filled a bowl with warm water and brought it back over to Lauren. She set it on the coffee table then, moving as slowly and carefully as she could, grabbed Lauren's wrist and put her hand in the bowl of water.

Then Vanessa waited. She'd looked this prank up online, but found conflicting information. So she wanted to make absolutely sure it was legit. After a few minutes Vanessa was beginning to experience doubt. Then she saw a Lauren fidget a bit, and slowly a relieved grin appear on her face. Vanessa could barely contain her laughter as she watched a dark wet spot appear through the blanket over Lauren's crotch. Vanessa could hardly contain herself. It had really worked! Lauren had wet herself!

Her work done Vanessa pulled Lauren's hand free and returned the bowl to the kitchen, concealing all evidence of what had happened. She went back to her room but she could hardly sleep, she was so excited for the morning...