Plural - a series of in-game challenges in a video game that can only be completed once a day. The next available 'daily' will be available at the same time the next day (known as 'reset'.) As a reward, the player will receive some type of in-game currency, power, or title
"Hey Brother, want to Raid with me and the boys?" "Sorry, I can't - I'm too busy doing my dailies to get some awesome loot!
A person who behaves in the manner the stereotypical dad would. This includes, but is not limited to, Hawaiian Shirts, dead memes, and the regular dad joke.
One need not be a dad to earn the title of "The Dadliest."
Paul: Guys, let's go get some food. I'm really hungry.
James: OH, NICE TO MEET YOU, REALLY HUNGRY! I'M JAMES! *dabs*
Tom: James, you truly are the dadliest of them all.