This is the 10232nd most frequent Spanish word.
colgarse
To "hang oneself," "hang (up)," or figuratively "fail" or "crash" (e.g., a system).
In this sentence, 'colgarse' is used to mean 'to hang oneself,' commonly referring to holding one's body up by hanging from something.
Juan se colgó del árbol para recoger algunas frutas.
Juan hung himself from the tree to pick some fruits.
Here, 'colgarse' is employed metaphorically to describe a computer system failing or freezing unexpectedly.
El sistema del computador se colgó inesperadamente.
The computer system unexpectedly crashed.
In this context, 'colgarse' is colloquially used to indicate failing something, such as an exam or task, due to insufficient preparation.