Fig. trustworthy and genuinely good. (A description of good quality wool cloth.) Mary's a fine human being—all wool and a yard wide.I won't hear a word against Bill. He's all wool and a yard wide.
Genuine, not fake; of excellent quality; also, honorable. For example, You can count on Ned-he's all wool and a yard wide. This metaphorical term alludes to a length of highly valued pure-wool cloth that measures exactly a yard (and not an inch less). [Late 1800s]