Funny But Not Really Laughing, an abbreviation created by Dr. Heinz Doofenshmirtz from the television show Phineas and Ferb
A replacement for LOL when you find something funny but not enough to laugh.
A:Why did the dinsouraur cross the road
B:Because chickens haven't evoled yet
B:FBNRL
by MonkiMan March 14, 2013

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