[goof] 
Slang.| 1. | to blunder; make an error, misjudgment, etc. |
| 2. | to waste or kill time; evade work or responsibility (often fol. by off or around): Exam week is not a time to goof off. We goofed around till train time. |
| 3. | to spoil or make a mess of (something); botch; bungle (often fol. by up): You really goofed up the job. |
| 4. | a foolish or stupid person. |
| 5. | a mistake or blunder, esp. one due to carelessness. |
| 6. | a source of fun or cause for amusement: We short-sheeted his bunk just for a goof. |
| 7. | goof on, Slang. to tease, ridicule, or mock; make fun of. |
