Kevlar - A very strong fiber sometimes used for kite lines. Has some characteristics (more stretch) which make it somewhat less desirable than Spectra.
KGB - backroll puis passage de barre en l'air de la main avant à la main arrière
Kite Leash - A leash or line connecting the kiter to the kite and used to keep the kite from flying away when the control bar is released. A kite leash must depower the kite when used.
kiteloop - Le kite fait un tour complet durant le saut dans la direction opposée au sens de navigation du rider.
Kiteloop - One of the most powered-up moves in kiteboarding, where the rider loops the kite through the wind window. The power surge is intense and is akin to being yanked by a truck. Requires serious cajones.
Kitemare - A kiteboarding accident or mishap. Kitemares can also refer to severely tangled lines. Waking up in a cold sweat having not scored a session for some time does not constitute a kitemare.
Kitesurfing, Kiteboarding - Also called kite sailing or flysurfing. Using a kite to pull you across the water with a board under your feet.
Knot - This is the speed of one nautical mile per hour.
Kook - Someone who approaches kiteboarding with too much earnest and overconfidence, often jeopardizing the safety of everyone around them through poor kite control and erratic jumps