teenty adjective 1number 1forms 2 adjective1 •(informal) Very small; teensy. number1 •(nonstandard) One hundred (100), especially a short hundred when considering long hundreds.Base 120 is the largest of the historically attested bases […] There are references to a long or twelftywise count vs a short or teenty-wise count in all of the early Germanic writings. — 2008 formsteentier · teentiest