Curry favor with is an idiom that means to try to gain favor or approval from someone by doing something for them. The crossword solutions for this term are WOO and SUCKUPTO. WOO is a verb meaning to try to gain the favor, attention, or affection of someone, usually through flattery or promises. SUCKUPTO is a verb meaning to try to gain favor or approval from someone by flattering them or doing things for them.