"Heres mud in your eye" is an idiom commonly used to express good luck or a toast. However, there are several synonyms for this phrase that you can use to express the same sentiment in different ways. Some examples include "cheers," "bottoms up," "here's to you," "salud," "prost," and "skål." Each of these has its own cultural and linguistic origins, adding personal flair to your sentiments. Whether you're sharing a drink with friends, giving a toast at a special occasion, or simply wishing someone good luck, these phrases offer a unique way to express your goodwill and best wishes.