Is “Oddball” a Scrabble word?
Yes
ODDBALL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Oddball
/ˈɑːdˌbɔl/
noun
1.An eccentric or unusual person.
2.A deviant stimulus that appears among repetitive stimuli during an experiment, to trigger an event-related potential in the participant.
Synonyms: kook, odd duck, queer fish, strange fish, weirdo
adjective
1.Exotic, not mainstream.