Replying to a forum thread with a post that has at best a loose connection to the thread's topic, with the result that the thread starter's question gets side-tracked.
Often, the tread gets completely derailed as more forum members respond to the hijacker's post or add their own problems to the thread, which are not related to the either the original topic, nor the hijacker's topic.
A vague thread title is an open invitation to hijacking a forum thread with all kinds of unrelated reports.
When your teledildonics network connection becomes compromised by an external third party (the telehijacker) and they gain control of your teledildo. Results in loss of control of a virtual masturbation session.
"Honey, you worked me so hard last night with the We-Vibe!"
"What are you talking about...? I didn't even have my phone on me last night..."
"Have you updated the security on your phone? Have we been hacked...? Was that a hijacking-off?!?!"
When you're on a flight and the mood turns dark. You (pretend to) feel a gun in your side and you (don't really) hear a dark voice tell you to go to the bathroom. Now wank or I'll blow up the plane... says the voice in your head. mile high club rape wank
Whilst mid-flight:
"That guy's been in the toilet for a long time and it sounds like me might be crying!?!"
"Don't worry, probably just hijacking-off!".
A man who dates women with the sole purpose of exploiting their time, energy, and labor while he sucks the joy and happiness from their lives.
"That guy's a soul digger. He'll expect you to work full time, but you'll be doing all the cooking, cleaning, laundry, shopping, and childcare while he plays video games or watches TV."
A person pretending to be something they aren't, or an impostor. This is inferred because of the old alien movies where alien pods appear on earth and the "pod people" dispose of the humans and slowly reproduce the bodies, pretending to be humans.
The pod person was pretending to be my father, but I knew that he was an alien when he acted differently than my father ever would have.