Feegit (Fea-get) comes from the word "faggot" but it means stupid, annoying or just in general a dick but can be used as a playful word with friends as it is made to make fun of those that use the word "fag" or "faggot" all of the time online but never really have a good reason or exclaiming that someone is actually homosexual. It is usually used along with the word "fak" which is a version of "fuck" only making fun of it in a "nerdy" way. The word isn't used to describe someone who is gay.
When a female uses mind games to interrupt the intelligence of a member of the opposite gender, particularly spouses, ones residing in their common domicile, or whom they are in a relationship with. Femjitsu takes shape in the form of: Shell games, empty promises, mind games, and other Tom foolery.
Tara speaking to husband: "Do you want a blowjob?" Husband: "Sure!" Tara: "What does "sure" mean? does it mean you don't want to go to my parent's house this Sunday for dinner?" Husband: (Fuck it! your FemJitsu has defeated me! I'll go beat off in the bathroom)