Someone that has feeling solely for Shrek, and his reproductive organs.
See also Bishreksual - The love of men, women, and Shrek (Which I find quite frankly desgustang, as Shrek is love, Shrek is life)
ME: 'Hey guys, I'm coming out as a Homoshreksual'
People: 'Wow you must really love Shrek you sad, lonely gimp!'
That which is of or pertaining to big dickedness, especially a phallus of 11 3/4" length. Also: a giant wang. Big meat special. The real deal. Complete satisfaction.