1 definition by the buffalo professor
the act of disregarding your friends and hitting on girls without shame. the term can be expressed with the "timeout" hand signal at times when it cannot be verbally expressed (i.e. classroom, loud nightclub, etc). Closely related to HBB, hogging, pimping. Someone who constantly "tuans" can be seen as a whore ho
He's over there tuaning.
by the buffalo professor August 27, 2010