The romantic and/or sexual pairing of Luna Lovegood and Ginny Weasley from the Harry Potter series.
Definitely not canon but still quite widely appreciated.
Probably comes from the fact that in the books, Ginny is protective of Luna and they seem to really appreciate each other.

When someone goes to the gym and spends 90% of the time on their phones scrolling through social media

Linny is a word you use for shipping Luna Lovegood and Ginny Weasley from Harry Potter. They are currently married, with one kid named Lila. Tom Riddle has been having thoughts about murdering Lila, but Ginny and Luna put her hidden.

An amazing duck that quAcks at you at every opportunity possible.

The sadly non-canon Ship between the Harry Potter charcters Luna Lovegood and Ginny Weasley.
Also my life!! THIS SHIP IS MY OTP!

A boring, plain looking skinny girl, usually freckly, who is insecure and gets extremely jealous if her boyfriend dares to look at or talk to anyone but her.