Goofball
Part of speech: noun
Definition: A foolish or silly person. A pill or tablet containing a pharmaceutical which has hypnotic or intoxicating effects, especially a barbiturate.
Part of speech: adjective
Definition: Silly.
Example sentence: I was a bit of a goofball. I was always silly. I think that lends itself to being an actor.
Jackass
Part of speech: proper noun
Definition: A jack and an ace as a starting hand in Texas hold 'em due to phonetic similarity
Part of speech: noun
Definition: A male donkey.A foolish or stupid person.An inappropriately rude or obnoxious person.
Part of speech: verb
Definition: To behave very obnoxiously.