Super small (6)
(Other definitions for teensy that I've seen before include "Minute" , "Mini" , "- - -weensy" , "Tiny" , "Very small" .)
(Other definitions for puny that I've seen before include "Frail and weedy" , "Feeble, under-sized" , "Weak - unimportant" , "Small and feeble" , "Small and weak" .)