Gascibating is a bastardisation of the word "fascinating". It may be used in two ways.
1) As a sarcastic response of false interest.
2) As an enthusiastic and silly response/descriptive word similar to "fascinating".
1)
Dhampir: I just ate some cheese.
Kyujuni: How gascibating.

2)
Steacy: In Canada milk comes packaged in plastic bags.
Moinex: That's gascibating ! Although not as gascibating as Allenby's giant inflatable hands !
by Sultan Swing March 2, 2007
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Gascibating is a bastardisation of the word "fascinating". It may be used in two ways.
1) As a sarcastic response of false interest.
2) As an enthusiastic and silly response/descriptive word similar to "fascinating".
1)
Jon Martens: I just ate some cheese.
Keiper: How gascibating.

2)
Kyujuni: In Canada milk comes packaged in plastic bags.
Moinex: That's gascibating ! Although not as gascibating as Allenby's giant inflatable hands !
by Burt Lancaster March 4, 2007
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Used when a person or situation is otherwise gascibating.
"You replied to one of those Nigerian spam mails? How gascibating."

"What part of him do you find most gascibating? I would say his enigmatic cyst."
by Cow-san March 2, 2007
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1. Highly interesting in an odd way
2. Mind bogglingly interesting
3. Mix of surprise and interest
The way you made that sandwich is simply gascibating
"This coffee cup is yellow"
"Gascibating!"
by Michal Murkashnik March 3, 2007
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