I'll agree with "My Heart Will Go On", and I could be persuaded to hate "Ice Ice Baby" enough to be in my bottom ten of the decade.
Apart from that, eight other songs from the 90's that royally suck. I restrained myself from including 2000's "With Arms Wide Open":
"I Will Always Love You" (Whitney) - sorry, I just could never stand this
"I'll Be" (Edwin McCain) - unbearable pap
"Butterfly Kisses" (Bob Carlisle) - gag me with a spoon
"Back 2 Good" (matchbox twenty) - dry and passionless, even by their standards.
"Let Her Cry" (Hootie & The Blowfish) - ibid
"American Woman" (Lenny Kravitz) - wrong person to remake this
"I'll Be Missing You" (Puff Daddy and others) - the dead homie sample, one of my least favorite genres
"Big, Big World" (Emilia)