Tranny Kerking — Direct

: This could be a misspelling of "Jerking" (as in "knee-jerk reaction") or perhaps a reference to "Kirking" (slang for acting out or going crazy, often associated with Kirk Franklin memes).

: While this is a common shorthand for "transmission" in automotive circles, it is also a highly offensive slur when used to refer to transgender individuals. Essays on this topic usually focus on the history of transphobic language or the reclamation of slurs within the LGBTQ+ community. tranny kerking

Knowing if this is for a sociology, linguistics, or automotive engineering project would help narrow down the intended meaning. : This could be a misspelling of "Jerking"