It is an adjective meaning that something is really cool. Its similar to saying"killer" but it adds on a little zing to the word.
Dude, that rollercoaster was the most ghost killah thing I've done all day!
από Tyler Lambert 16 Μάιος 2009
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug
Can you define these popular missing words?