Top Definition
when you really really can't be fucked doing something. it's an extention of "cbf" or "ceebs"

ceebasaurus is to the "ceebs" world what the dinosaur is to the animal world, the biggest!

it's the biggest ceebs you can get, use it wisely
must only be used when you really really can't be fucked, you can't just randomly say it whenever you want. it has to be worthy

"ceebasaurus fixing the 100 holes in the roof, I'll do it tomorrow"
by Hosky May 01, 2010
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