a mexican beer with a light yellow color and a cool refreshing taste.
..pacificos are so relaxing...i could drink a 12 pack
by hypercube August 14, 2005
Prank done to people where pants are unsuspectingly lowered, and said person lays backwards with both legs exposed on a bed or couch exposing his/her anus to person entering the room. Element of surprise is key. Name derives from Spring Breakers partying by the beach on the pacific coast.
Carlos got Pedro with the Pacific-O again; Danny totally Pacific-O'd Pedro again!
by ToDaLymit April 06, 2015