Side Blinded

I think she meant blind sided...

blind side

verb

NORTH AMERICAN

past tense: blindsided; past participle: blindsided

1. hit or attack (someone) on the blind side."Jenkins blindsided Adams, knocking him to the sidewalk"
   
• catch (someone) unprepared; attack from an unexpected position."protection against being technologically blindsided"

That’s water under the dam...

What I think she meant was...

water under the bridge (or water over the dam)

phrase of water

1. 1.
   used to refer to events or situations that are in the past and consequently no longer to be regarded as important or as a source of concern.

I’ve heard enough war stories to fill a horse.

?

Don't throw me under the couch!

What I *think* she meant was:

"To throw (someone) under the bus" is an idiomatic phrase in American English meaning to sacrifice a friend or ally for selfish reasons. It is typically used to describe a self-defensive disavowal and severance of a previously-friendly relationship when the relation becomes controversial or unpopular."

"I'm not giving in the towel, yet"

So very close, it almost merits a pass.

What I think she meant was...

Throw in the towel

A boxer’s seconds throw a towel into the ring to signal that they want to stop the fight and save him further punishment.

"...gotta throw a monkey in the wrench..."

Even in context I'm at a loss to explain what she meant. 

Moon Smeathy

"Eddy Cameron, I submit for your consideration, my latest spoonerism:  My man makes a "moon smeathy"!

*uttered with all sincerity and (apparently) too much fervor*"

I think what was intended was "Mean Smoothy"

Thank you Cousin