side tug 

A friendly reach around from the side that has been traced back to Nordic times to show respect toward your peers

Niki really liked her co-workers as friends but felt they deserved a little more than a hug to show her full apprection and gratitude for all they do for her. So she decided to gracefully lead them behind the plethora of boxes in the warehouse and side tugged the shit out of them!

side tug by The Hangar Boys February 26, 2019

side tugging 

The act of pulling or grabbing ("tugging") on one's penis, through clothing, when excited.

Side tugging is not necessarily an expression of sexual arousal (at least, explicitly).

Example 1: Shane is side tugging; he must have thought up a new moneymaking scheme.

Example 2: Whenever this girl text messages me, I start side tugging. Sometimes I even do it during class!

side tugging by biggz_wi May 23, 2011