abarrotar

v. bar, lock; stow, pack; overstock; glut, fill to overflowing

v. fill up, stuff, glut, oversupply

= crowd, throng, overbook, pack.
Ex: Titles on alternative medicine are now crowding US bookshelves.
Ex: The street was thronged by people who had not a moment to spare.
Ex: At any rate, since hotels in Vienna are usually overbooked in May we strongly recommend you to book your hotel as early as possible.
Ex: Because it is such a competitive market, night clubs are constantly reinventing themselves and places that are packed one weekend are deserted the next.
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* abarrotar (de) = clutter (with).