look up any word, like wyd:
 
1.
ad verb. to shop pre emptively before actually having the money. Similar to pre gaming before going out, its the preperation for the event of getting paid. Pre shopping can consist of online shopping cart filling, pressing the "buy now, bill later" feature, putting mass quantities of clothing on hold at your favorite stores, and spending your future paycheck in your head. Obsessively.
"Dude, I know I dont have the job but I've been pre shopping the salary all night!"
by figuresitwould March 05, 2010
 
2.
verb: The act of using the Internet for research prior to the act of shopping. It is a lazy/ savvy persons alternative to window shopping. Also dubbed, "Windows Shopping".
I'm going to go preshopping for Christmas presents
by minimus999 November 20, 2007