Abbreviation of Port Coquitlam, a smaller city on the outskirts of Vancouver. PoCo is infamous for being a rough almost Compton like suburb and also it is where mass murderer/ pig farmer Willy Pickton lived. PoCo was a nice place in the 70's and 80's when its population first started to grow and it was also the hometown of Canadian hero; Terry Fox.
"You're from PoCo? I know not to mess with you!"
by Mike% May 15, 2007
Highly derogatory term for thoughts encumbered by pop culture reference or association, usually related to extreme lack of intellectual depth.
His book was the kind of shallow po-co psychobabble you'd hear from that retarded mewling sycophant Doctor Phil.
by Far Beyond Sane September 07, 2003