To unwittingly make obvious and sometimes announced actions or intentions in video games, sports, etc.; a misnomer of telegraph definition 2.
When you spaz out like that, you totally telemarket your next move.
1. A person who preaches God, Jesus, or any such holy figure to the masses through the use of Twitter.
2. The Twitter equivalent of a televangelist.
Since he started pushing Jesus onto the world through the use of Twitter, A. C. has become a twittevangelist.