Life tap

verb: life tap; 3rd person present: life taps; past tense: life tapped; past participle: life tapped; gerund or present participle: life tapping

extremely light, gentle strike to the testicles by back of the fingers of a cupped hand; done properly, effects will manifest after 30 seconds: excruciating pain at least 10 times worse than a solid hit/kick to the same testicles.

My friend said he was gonna life tap me. He then cupped his hand and tried to hit me in the nuts! I backed off, and thought he just grazed me. He then started laughing: after 30 seconds my eyes filled with tears as it felt like pure fire shot through my testicles and an intense ache came on too!