look up any word:

1 definition by Ol' Betsey

1. Stepbrothering
To rub your scrotum on something, as seen by the scene in the movie "Stepbrothers" starring Will Ferrell and John C. Reily, where Will Ferrell's character rubs his ballsack on John's drumset.

Simaliar to teabagging.
I just STEPBROTHERED your face.

Pfft. Only noobs stepbrother after a double kill.

I just was caught Stepbrothering.
rss and gcal