?1750 ‘Merry Andrew’ (title page) A serio-ludicrous representation of a late learned contest between T. D. and A. B.
1828 C. Lamb Guy Faux in 2nd Ser. 141 It is familiarized to us in a kind of serio-ludicrous way.
1904 Mar. 558/1 A painful error occurred in a North Carolina office, with serio-ludicrous consequences.