(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 9, 2009
When someone is taking a photo of themselves, and you get in the picture right next to them at the last second.
by madmikeone July 3, 2008
Masturbating using only one arm in a very animated fashion while laying on your side. This renders the other arm useless.
"Did you see Jer on the floor while those two chicks were getting it on?"
"Yes. Leave it to him to sidejack in public"
"Yes. Leave it to him to sidejack in public"
by Side Jack The Ripper February 28, 2011