lamebrain

noun, adj — 2 senses

lamebrain

noun

/ˈleɪmˌbɹeɪn/

Etymology From lame + brain.

1

Derogatory, Slang A fool.

You lamebrain! How could you do something so stupid?

lamebrain

adj

Etymology From lame + brain.

1

lamebrained, foolish

We're not going to introdce the lame brain legislation [NGTF] is talking about. We want solid stuff. We want to talk about opening up billions of dollars of funding into mental health and social services, for all alternative lifestyles not just gays.1979 February 3, Tommi Avicolli, Bob Kunst, “Defeat as Victory”, in Gay Community News, volume 6, number 27, page 8:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.