Top definition
Comes from "Happy Lateyear." When people are still telling you "Happy Birthday even though it's been a couple of days after your birthday.
"Another Happy Birthday card? My birthday was a week ago! More like a Happy Lateday card."
by arod123456 January 31, 2010
Get the mug
Get a happy lateday mug for your bunkmate GΓΌnter.