a count of three balls and two strikes on the batter, considered full because either a fourth ball or a third strike would end the at-bat by, respectively, walking or striking out the batter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use full count in a sentence
The sign is possibly the sign for twenty, but it is very generally used as a sign for a “full count.”A Glimpse at Guatemala | Anne Cary Maudslay
I did and do full count it my duty to exercise my ministry as I am502 called thereunto.Biographia Scoticana (Scots Worthies) | John Howie
They are not so apt to go down under defeat, to take the full count, as I have done.The Prairie Mother | Arthur Stringer
Tom's father was a worthy greengrocer who, according to the author of "Lalla Rookh," always gave good measure and full count.Little Journeys to the Homes of the Great, Vol. 1 of 14 | Elbert Hubbard
"That's where I took the full count," continued Frederick, sadly.