The Collaborative International Dictionary
Limpsy
Limpsy \Limp"sy\ (l[i^]mp"s[y^]), Limsy \Lim"sy\ (l[i^]m"s[y^]), a. [See Limp, a., and cf. W. llymsi having a fickle motion, weak. Cf. Flimsy.] Limp; flexible; flimsy. [Local, U. S.]
Wiktionary
limpsy
a. (context US dialect English) limp; flexible; flimsy