a slow and/or sluggish moving shopping cart; these are left by smart shoppers at your neighborhood grocery store because they are blessed with faulty wheels or their axles arent properly lubed; Wangdongs cause anger because when pushing a wangdong you must exert non-equal forces with your arms in order to push the cart along smoothly, thus making one arm tired while your wangdong skids along the floor of each isle.
Yolanda: Hey, look at that guys wangdong, its totally draggin.
Frodo: I once had a Wangdong like that, except i exchanged it before it sent me into a vortex of spiraling fury.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.