GTK is a pedophile
dog whistle popularized by Stephen Tran, a known pedophile and
schizophrenic who is best known for his China-centric belief system and trying to start a cult. Beware of anybody who "reminds you" to "be GTK"
There are several theories as to what the acronym actually stands for, most
prominent are "Gonna Touch Kids" "Groom Those Kids" and "Goon To Kids"