I 'jammed' my finger in the car door. = My finger got 'jammed' in the car door. = I got my finger 'jammed' in the car door.
Thousands of people 'jammed' the hall. = The hall was 'jammed' [='jam-packed, packed'] with thousands of people.
All the telephone lines were 'jammed' with calls from angry customers.
(..) Ready to play when you are. Yeah, um, in a minute. I actually need to tell you guys something. If it's "thank you" for the homemade jam you got in December, congratulations, you're the first one. What's going on? (..)2016 TvShow: The Big Bang Theory Title: The Positive Negative Reaction Season: 9 Episode 16
(..) Why didn't you discover it? Because instead of being in the telescope room, I was busy making you guys homemade jam for the holidays. Well, you be sure to let us know when you win the Nobel Prize for boysenberry. Hey. (..)2016 TvShow: The Big Bang Theory Title: The Positive Negative Reaction Season: 9 Episode 16