Yes. Snapping triceps is a relativelyuncommoncondition that occurs when the distal portion of the triceps dislocates over the medial or lateral epicondyle of the elbow, during flexion or extension. Usually the ulnar nerve is involved as well. Avoid activity that aggravates itm (e.g. Pushups & weight lifting) and take nsaids. If symptoms persist, surgery can help.
Yes. In some people the very distal portion of the triceps muscle or tendon can be enlarged and snap over the bony prominence at the elbow. If this is painful or bothersome, it can be trimmed or removed surgically with good results. See a hand surgeon if you want it removed.