Drop the base.
Jesus in a submarine.
Take the parent out of the water
Who cares!
They both get better when you drop the "base".
Nitrogen Monoxide
Because the reaction could be explosive.
Someone drops the acid and someone drops the base.
A pHD
Because based god and acid god had a baby.
A duck is a carbon-based life form while a curling iron is an inanimate appliance
A Hot Cross Bunny
One roars with pain and the other pours with rain.