Example Sentences:

Ramayana:  In some renditions of the Ramayana for children, when baby Hanuman performs some pranks, his friends are so bewildered that they act like nincompoops.  

Mahabharata:  The illusions in the maya-sabha were so bewildering that in trying to navigate them, Duryodhana ended up acting like a nincompoop.

Bhagavad-gita:  We may be extremely smart but if we keep listening to our mind, it will make us act like a nincompoop.