daddyniall

Refers to a nickname for niall horan on tumblr
There is also a fan fic called Daddy! Niall
And I believe a URL daddyniall.tumblr.com

which are all pretty good if you're a fandom tumblr user.

Girl1:"Saw daddyniall in 'This Is Us'

Girl2:" have you read his fan fics?"
Girl1: "Not yet!"

by narreh September 1, 2013