Yuuup … Dave Hester is back to pissing off his fellow “Storage Wars” stars … bringing back his signature catchphrase after a few years away from reality TV.

TMZ obtained a clip from Dave’s big return to the A&E series this weekend … and he’s keeping a low profile at a storage unit auction before belting out “Yuuup” and shocking the rest of the cast with his surprise comeback.

The sound of Dave’s voice sends Rene Nezhoda, Ivy Calvin and Brandi Passante turning their heads to find their worst nightmare … the guy infamous for driving up the bidding is back … and he’s up to his old antics.