A slow person; someone who is slow to understand a task. We have many lame brains in our office.
LAMBO - LAMBS - LAMC - LAMDA - LAME - LAMEO - LAMES - LAMF - LAMFO - LAMG
"LAME BRAIN." Abbreviations.com. STANDS4 LLC, 2017. Web. 29 May 2017. <http://www.abbreviations.com/LAME%20BRAIN>.