Top definition
The mysterios and legendary floating device found in a can of Guiness. The expression was formed during a Swedish holiday called "Valborgsmassoafton" by a couple of drunk Swedes.
Pronounced: "flybeetroeep"
"Oh my god, that fluebbetropp is really starting to annoy me."
"Get that fluebbetropp out of my face!"
"Don't chew on the fluebbetropp!"
"mmmm.... fluebbetropp"
by Ulf Textorius May 02, 2005
Get the mug
Get a Fluebbetropp mug for your friend Georges.