A hint:

 

Consider the last post!

All I have is :  Blueprint.

Sorry Dom, not it.

Bugleweed?

Correct twyngwyn.

 

"He blew it, the dope.  'Twas like a beautiful blue carpet!"

 

He blew it - Bugle (Hint - consider 'the last post', usually played by bugle)

the dope - weed (as in dope, hooch, MJ etc.)

Bugleweed - Is an excellent low-growing, evergreen groundcover. It spreads by underground runners (or stolons) that form a dense carpet of beautiful blue foliage.

LOL - I was wracking - Trumpet.

embellished example broadcast overactive thug (9 letters)

Expounded?

or Expounder?

 

neither, sorry...word is a noun (and don't take it literally)