A fork of Rural Dictionary
An Anti-Jihad is a battle fought against terrorism.
Suicide bombers in Iraq in cars drive into a US outpost. US soldiers retaliate and kill numerous terrorists. "man our Anti-Jihad is really owning those terrorists" "yeah just wait till the Spectre comes around for a second pass"
If some1 does something extremely stupid, or hypocritical, they can be said to have done a, or been rock solid.
The meaning of why you say "rock solid" is left to interpretation, it's funny any possible way.
person talks about something and is completely wrong in every way. you can then say "rock solid" indicating they are dumb/stupid.