In most Spanish speaking countries, this is just a slang term for âinsect.â In Puerto Rico, on the other hand, it means âdick.â You can imagine the giggles that follow someone saying âme pican los bichosâ (The bugs/dicks are biting me) in Puerto Rico.
1 Arthritis affecting leg joints can cause stabbing leg pain which is chronic in nature. 2  It is accompanied by inflammation and stiffness of the joint. 3  Baker's Cyst. 4  In this condition, the knee joint fluid gets accumulated at the back of the knee and pain can be felt at the back side of the leg.
Pleurisy as a Cause for Stabbing Chest Pain: Pleurisy is also another cause which can lead to stabbing chest pain. In pleurisy, there is swelling in the lining (pleura) surrounding the chest. Viral infections are the cause in most cases for this condition and with treatment this pain can be alleviated.