1. somebody who you think is a complete retard and doesn't know anything about what they're talking about.

2. Is a person that is a total moron and doesn't think before he/she speaks or acts.

3. One who fails miserably at something after premature boasts of achievement

4. a word used by prude or unattractive girls in situation in which they feel weirded out by the presence of a confident young guy trying to make conversation

5. Often a recipient of "kissing the curb"

6. A person who exaggerates his entire life story.