Something that sets you back. It keeps you from doing something and can cause great inconvenience to someones life. A setback may just knock you off your time schedule or it could be stopping you from doing something you drastically need to do. Setbacks are not good, most of the time...
"I really must get my sculpture finished today, but I don't have enough resources to finishes it. That means I'm gonna have to go out and buy some then I'll be off my time schedule. Dang!"
(^^^Not having enough resources to finish his/her sculpture was this persons setback)
Sebaciel is a ship between Sebastian and Ciel from the anime black butler. Some people find it disgusting and others hot. There are many fanfictions on wattpad and a lot of art on google.
One of the coolest people you could meet. Sertacs can have a fiery temper, but deep down have a heart of gold. Always very handsome, but can be extremely shy. Even though they seem confusing and moody at first, once you have a Sertac for a friend your life will feel complete. They'll defend you in any fight and will always want the best for you. If a Sertac is sweet on you, consider yourself very lucky.