1. goofball - Noun
2. goofball - Adjective
a man who is a stupid incompetent fool
a person who amuses others by ridiculous behavior
Source: WordNetI was always the class clown and got kicked out of class at least once a day for just being a goofball. Not suspended or anything, just sit outside and look at the tree on the bench. I got benched a lot. You keep one foot on the bench and try to get as far away as possible. Damon Wayans, Jr.
I'm a big goofball, you know. Don't tell anyone that, but I'm a big goofball. In Australia we call it a dag. Hugh Jackman
I can be a goofball sometimes. I love having a good time and being carefree. Spencer Boldman
I'm the goofball. I'm the person cracking people up. Amy Lee
Above all, he - and his goofball customers - believed that shared pain is lessened, and shared Joy increased. Spider Robinson
Someone who doesn't take herself too seriously and can be a goofball. Because everyone's a nerd inside, I don't care how cool you are. Channing Tatum