Top definition
Someone who is always there, and with everyone, a social butterfly, but never loses his cool, just plays it smooth more than all the time. So much so he/she is cool 39/24 hours per day.
See John over there?

Where?

By the keg.

Oh yeah, he's just playing it cool.

yeah, 39 Smooth if you ask me.
by Leuqsaf March 21, 2009
Get the mug
Get a 39 Smooth mug for your bunkmate James.