I necro-bump old forum threads to keep the conversation going.

Necro-bump is frowned upon in online forums.

I noticed a necro bump on the forum thread.

I necro bump this old thread to bring it back to life.

He is necro bumping the old forum threads.

The necro bumped into me in the hallway.

I found several necro-bumps on the old gravestones.

I found several necro bumps in the graveyard.

He necro bumps into me every time we see each other.