<human>: Give me the gist of the text in a nutshell

I was once spending quality time with my girlfriend in the apparently-not-so-secure location of my basement, watching a movie. We started to "have a little fun" and she began to shlob on my knob. Just as I was about reach my pinnacle, i heard a creak from the door followed by an ever so casual "Hello", it was my mother. I attempted to respond to her greeting, but the moment she had caught me in caused me to respond in a squeaking moan of a "hi mom!" She then started to walk down the stairs, and I shamefully and quickly covered up my junk and all of its finished product. She asked what we were doing and all i did was point at the television, which at this point was airing the credits. The awkward eye contact that ensued not only lasted several minutes, but also gave me the hint that she knew what had just happened.
<bot>: My mom caught me getting some head during a movie, i tried to hide it, awkward eye contact, she knew...