dropped the yogurt

The result of standing up too soon after receiving a cream pie.

Cassy was in a hurry to get to the bathroom and clean up, but unfortunately she dropped the yogurt halfway there.

dropped my yogurt

To experience an uncontrolled ejaculation.

Rob: Oh wow i was in reception the other day and i nearly dropped my yogurt.
Paul: oh yeah.
Rob: These girls were stunning you would have dropped yours as well.