Gonki is a deformated word for Wanking. Because it is wierd to say "I'm gonna go wank"
"Hey dude, we're going to pub. Wanna come?" "I'll be there, but I need to do some gonki first!"
(adj.)
Describing a person who possesses an enchanting allure, marked by an exceptional combination of grace and beauty
“Her movements were so gonky that everyone in the room couldn’t help but be mesmerized.”