tamil tigers(n = noun.group) liberation tigers of tamil eelam, ltte, tigers, world tamil association, world tamil movement - a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel; "the Tamil Tigers perfected suicide bombing as a weapon of war"