smoothing one out

To "smooth out" one's erection
To masturbrate as a male
To jack off

So I was in my room smoothing one out when my mom walked in...

by Dr.AlfredKinseyatLarge April 24, 2008

smooth one's / sb's (ruffled) feathers

to make oneself (or somebody else) feel less irritated or offended

Lacon was no fool, and the Cousin's wrath just when everyone was trying to smooth their feathers was a thing to be avoided at any cost.
John le Carré: The Honourable Schoolboy.CORONET BOOKS, Hodder & Stoughton, 2000. p. 63.

by Petyush April 11, 2005

on a smooth one

high on some really good drugs like cocaine, ecstasy, molly,

DAMMM YOUR ON A SMOOTH ONE!!!

by JUAN LOMELI September 2, 2014