n. someone who is prejudiced in favor of someone or something.
I'm a sucker for a pretty face.Ted is a sucker for any dessert with whipped cream on it.
a sucker for (someone or something)
Someone who tends to be easily attracted to a particular type of person or thing. What can I say—I'm a sucker for romantic comedies!I've always been a sucker for a guy with a six pack.
sucker for someone or something
n. someone who is prejudiced in favor of someone or something. Ted is a sucker for any dessert with whipped cream on it.