yea high

Approximately this height. Said while using one's fingers, hands, or arms to visibly demonstrate a particular height. ("Yea" is a variant of "yay" and is pronounced the same way.) "How big do you want the wall to be, Mrs. Martens?" asked the builder. "Oh, about yea high," she said, holding her hand up to her sternum. A: "You were only yea high the last time I saw you!" B: "I was 11, Uncle Jerry. There's no way I was only up to your hip."