In TFC, a spy that looks like someone on the enemy team. Their main purpose is to backstab stupid people and destroy sentry guns built by stupid engineers
Used as a noun to describe something or someone that is repulsing to you either by action or nature. It can also be used as a complete sentance in response to information received.
As a noun:
Indian food is disgustable.
The work he did on my house is disgustable.
As a response to information received:
Party A:Giovanni cheated on his wife, contracted an STD, and passed it on to his wife not knowing.
Part B: Disgustable!
Something that is so utterly revolting and offensive, accompanied by a stench so foul that it can make you gag, and throw up in your mouth a little, or a lot.
The guy's severe hangover manifested itself as a slow drip of diarrhea that settled into his shoes during his calculus exam; when the Professor walked by, he screamed, "Damn boy, that is DISGUSTANK!”