A "Yankee dime" refers to a kiss that is of a trifling nature such as a brief peck on the cheek. It is often used to describe an insincere show of affection in the nature of a perfunctory kiss. To say that something "isn't worth a Yankee dime" is typically a put down. read more
I've never heard that expression before, but found it discussed here: A Way with Words It seems to be a southern expression for a 'perfunctory' kiss. read more
A “Yankee dime” is a quick kiss. The term is often said to be from Texas, and said to derive from the Civil War. “Yankee dime” is cited in print from 1846, and is popular throughout the South—not only in Texas. read more