Uppercut
From LSWiki
Perform Uppercut General-Use Combat Maneuver Usage: perform uppercut [at <target>] Requirement to Use: have an anatomy that normally includes an arm and martial arts skill of 20 or higher, brawling skill of 30 or higher, or unarmed combat skill of 60 or higher Typical Activity Cost: 20
Performs a close-range punch angled upward, delivering more power than an ordinary punch and potentially catching an opponent on the chin and knocking hir head backward -- when fighting an opponent with a head, of course. Moving you closer to your opponent as it does, performing this maneuver makes you a slightly easier target.
Automatically available to any character meeting the use requirements.