When someone is taking a photo of themselves, and you get in the picture right next to them at the last second.
I was taking a photo of myself to send to my boyfriend and Amy totally sidejacked me.
by madmikeone July 02, 2008
(adj) to be diverted from an important task by some asshole who keeps wasting your valuable time with other bullshit. A combination of being sidetracked and hijacked.
Sorry I couldn't be at your death bed sooner, Ma. I got sidejacked by this guy at the mall selling gym memberships. He was real convincing. Ma? Ma?
by The Northern Skeptic October 08, 2009