Top definition
a English language phrase which means something is great or brilliant
friend:I went to the theme park yesterday and went on that new rollercoaster.........you:yaa I went on that on the first day it opened its the bomb duffer.I was cleaning vomit out my nose all day after I came off it.......this is a real phrase not made up..its a old phrase.....
by real phrases 2014 January 10, 2014
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