They hook the electrodes up with conductors that are about the thickness of welding cable. Very low resistance.
Initial potential is about 2000V. Full-body resistance is around 300 ohms, so that’s about 7 amps, assuming there’s not too much voltage drop on the transformer windings. They drop it down to around 1000 after the initial jolt; if they didn’t, there’d be unpleasant thermal effects; 14 kilowatts can heat things up pretty fast. Even with the back-off, clean-up is no fun, and ventilator fans do welcome duty.
That kind of current passing through your chest will kill you mighty dead. “Is that all you got!” is only in the movies.
I think they misheard
he likely said
Let’s Wok!..
Because he certainly got fried