<human>: This happened awhile ago. My girlfriend and I were in bed just fooling around and she was laying on top of me. My bed is next to my desk, and on that desk was a half empty glass cup of water - one of those tall glasses you find at Ikea. Somehow, her foot managed to find her way into the cup and it got stuck which we found absolutely hilarious. So the two of us are laying there, with her foot in the cup and me under her laughing hysterically, but trying to be careful not to spill the water all over my desk. I finally managed to slip out from under her and remove her foot from the cup.

Fast forward a few minutes and we're still laughing our asses off over what had happened. At this point we were nearly in tears from laughing, but I decided to start tickling her. Now, my girlfriend really doesn't mind being tickled, but after awhile she started yelling at me to stop. Of course I ignored her. Then... she started laughing SO hard that she peed herself and on my bed. The couple minutes after that were a little awkward but we laugh about it now.

Provide a brief overview of the text.
<bot>: GF foot got stuck in a cup, we found it hilarious. I wanted to keep her laughing after so I tickled her until she peed her pants.