1. [1910s+] (US, also numbs) blind drunk; occas. intoxicated by drugs.
2. [1960s+] (US, also numbass, numbfuck) stupid.
SE in slang uses
[1940s+] (US) a fool, a simpleton.
[mid-18C+] (US) a fool.
[mid-18C+] (US) stupid.
[1960s+] (US) stupidity.
[1990s+] (Aus.) foolish, stupid.
1. [1960s+] (US) an idiot, a fool; usu. as a term of address.
2. in attrib. use of sense 1.
[1950s+] foolish, stupid.