1) The inability of the human male to process information clearly; attributed to a sudden, overwhelming hormonal influx produced by non-physical sexual stimuli.

2) Male awed or aroused by an article of sexual appeal.

The term “thinking with the little head” is prevalent in the heterosexual arena; however, homosexual males may experience measures of “thinking with the little head”.
“Forget about hittin’ that. Stop thinking with the little head, Jeff. Stay focused bro.”
by CaptainZlogg July 24, 2009
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