Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley called:

The answer is looking-glass self. The mirror self is a social mental idea, made by Charles Horton Cooley in 1902, expressing that a man's self becomes out of society's relational associations and the impression of others. 
The looking-glass self is a social mental idea presented by Charles Horton Cooley. The idea of the no-glass self depicts the advancement of one's self and of one's character through one's reaction.