Several swollen n painful nodes in groin. why do they spasm, make gurgling sounds, and feel like they are about to explode? or is this something else?

Painful groin nodes: Most probably something else as nodes are silent. In the groin area, one can develop an inguinal hernia, which can allow a part of your intestines to drop through a passage way into the testicle area of your groin. If this occurs it can cause the problems you have outlined. See your doctor for an examination, because if it is an inguinal hernia, it does not go away by itself-surgery indicated.