What does "apretarse" mean in English?
"Estos pantalones te aprietan mucho." Does it mean to squeeze? To tighten?
2 Answers
In the example´s case, it means those pants are too tight on you. Literally, those pants squeeze you too much.
Something is tightening on itself. Self tightening. When non-reflexive, apretar simply means to tighten.