In glass and mercury I lie, a slender line, I climb, descend, in Fahrenheit or Celsius I define.

Up a creek? You need me! Went to catholic school or joined a fraternity? I may have been used.

I'm spilled by rats With the right ones, you may reach the clouds very soon I'm a silly British man that goes around in a yellow Mini Cooper Hannibal ate a type of me along with a man's liver

My first four are what you feel when you get injured. My last four are what you do when you’re in a hurry. My middle two are an abbreviation for a horrible, consuming infectious disease. All together, I’m a favorite tool of Bob Ross, Pablo Picasso, and elementary school kids.

Bird, black in color. PLUS a place where everybody knows your name. OR, could be where the black birds go to drink their sorrows away. ALSO, Refers to a device used to force things apart.