adj. (old).Foolish; silly.
1712. ARBUTHNOT, The History of John Bull, I., xii. Have you no more manners than to rail at Hocus, that has saved that clod-pated, NUMSKULLED, ninny-hammer of yours from ruin?
1856. Punchs Essence of Parliament, xxx. 61. Such blockheads [as Vincent Scully] ruin whatever cause they advocate. Mr. Punch means to get Vincent the Royal licence to call himself, as other people call him, NUM SCULLY.