2 definitions by ashack
When something is so amazing that it changes your world. Another way of saying mind blowing, or fucking amazing.
by ashack February 15, 2012
When you're just sitting there and you think of a joke and start laughing. Everyone thinks you're laughing for no reason but really you just thought of something funny. Joke flashbacks can also occur when no one is around.
Ashok: "Hahahahahahah!"
Shan: "What you laughing at?"
Ashok: "Heheh, just had a joke flashback."
or
Ashok: "Hahahahahahahahahahaha!"
(Silence ensues)
Shan: "What you laughing at?"
Ashok: "Heheh, just had a joke flashback."
or
Ashok: "Hahahahahahahahahahaha!"
(Silence ensues)
by ashack May 18, 2010