DuckCorp Dico

Found one definition

1.                 From The Jargon File (version 4.4.7, 29 Dec 2003):
                   
   
   
                   
                     
   thinko
    /thing'koh/, n.
       [by analogy with ‘typo’] A momentary, correctable glitch in mental
       processing, especially one involving recall of information learned by rote;
       a bubble in the stream of consciousness. Syn. braino; see also brain
    fart. Compare mouso.