thanksmas means A celebration held between Thanksgiving and Christmas, especially because a family is unable to get together at either of the other dates. Lexicurio rates it Sui generis — a strength score of 86 out of 100.
noun
- A celebration held between Thanksgiving and Christmas, especially because a family is unable to get together at either of the other dates.“This particular Thanksmas, Bill accepted an invitation to be my house guest — enthusiastically accepted.”