Got you; have you; as in capture or apprehend. / Understand you; comprehend you. / Got you covered, got your back; when you have an advantage or responsibility over someone.

A potential problem or source of trouble. / (computing) A feature of a system or a program that works in the way it is documented but is counter-intuitive and almost invites mistake or non-function.

plural of gotcha

(informal) A practice intended to ensnare somebody.

plural of game of gotcha

(US) A day celebrated by the family of an adopted child to recognise the day they received the child.

(derogatory) The use, by journalists, of interviewing methods designed to entrap interviewees into making statements that are damaging or discreditable to themselves.

plural of Gotcha Day