What does a swollen lymph node feel like in the neck? is it squishy and moveable?

Most folks have them: Especially as a teen, you can almost certainly find at least one palpable lymph node in your neck. I've got five today. They come and go. They're about as firm as the muscle that moves your thumb. They're generally freely movable. They're your friends. If they indicate disease, they are clearly abnormal. Keep learning about your body -- there are still surprises waiting.