Informal Fabrication: building a shed of metal fab. (noun)
Slang Fabulous; wonderful.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "fab" in a sentence
"How do you think pre-fab is particularly appropriate for sustainable architecture?"
"Imagine, the concept of pre-fab is what, 900 years old?"
"Update: As so often is the case, the best commentary on this comes from Jamais Cascio, who also coins a fab neologism in this context:"