btw=by the way pnemonoultramicroscopicsilicovolcanoconiosis=longest word in the english dictionary, I believe it's a type of lung cancer miner's get from the ashes in the air.
b/c = because idk = i don't know LMAO = laughing my @SS off IMO = in my opinion IMHO = in my honest opinion WTF = what the fu-- lol = lots of laughs or laughing out loud
broken down: pneumono = respiratory system (lungs)
ultra = derived from the Latin word meaning 'beyond', its Greek equivalent being 'meta'. Its use as a prefix indicates greater than normal quantity or importance
microscopic = of a size requiring optical amplification to see. minute. tiny.
silico = silicon or silica based
volcano = a geological landform (usually a mountain) where magma (rock of the earth's interior made molten or liquid by high pressure and temperature) erupts through the surface of the planet.