When something shreds so hard it's retarded. The mental state of it is not normal.
" Did you see that band last night? Their set was shredtarded!"
by zomgdam December 28, 2009
1 more definition
Being so lean and shredded that is considered retarded.
Damn dude, you have been working out so much you are looking shredtarded.
by Roidthenoid April 23, 2012