Rhetorical question, synonymous with 'is this a joke?' asked when something even remotely unexpected has occurred. Soulless teenage girls have recently been prone to using this phrase because "is this a joke?" has become too mainstream; the use of it gives them a feeling of individuality.
1. Teacher: today we will be having a pop quiz.
Teenage girl: is this a prank? what's happening...?
2. Doctor: you're entire family has died in a car accident.
Teenage girl: meep. Is this a prank?
3. *drops a french fry on the floor
Teenage girl: is this a prank?
4. *absolutely nothing has happened at all
Teenage girl: is this a prank?
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