Thonself

Each of the members is expected to inform ‘thonself’ on the topic thus allotted, and to be prepared to give an opinion or ask questions.

Source: wiktionary

Every student should acquaint thonself with some method by which thon can positively correlate the facts of thons knowledge.

Source: wiktionary

Thus neither man nor maid mates for thonself, but both love and move in the tribal interests and along the lines laid down by the tribal leaders.

Source: wiktionary

Maybe I don't speak for the average American, but I very much doubt that thon wants that word in thons language or that thon would use it thonself.

Source: wiktionary