Amuldrey

Amuldrey is the het ship between Audrey and Melvin.

Canon
In “War and Trees”, Audrey is determined to get Tiny into the Bloogey Boys treehouse, mainly just to spite Melvin. After Melvin accepts Tiny into the treehouse, Audrey demands that he apologizes to him (though it's mainly about calling her a "butt sandwich"), which causes the two trade insults back-and-forth. Audrey reveals when she wrote "have a great summer in his year book, she wasn't being genuine, and calls him square cafeteria pizza, and tells him he still can't tie his shoes. Melvin calls her a soggy old handbag, a bad field trip buddy, and a "butt sandwich". The latter insult, causes Audrey to finally snap and declare war. After Audrey finally gets Tiny into the treehouse, Melvin reminds her the reason he called her a "butt sandwich" all those years ago is because she sat on his sandwich. The two then briefly put aside their rivalry, and get ice cream together. Realizing they both love rainbow bazooka, they almost spark a romantic relationship, until there's only one rainbow bazooka left and fight over it.

In “Trade Wreck”, Melvin orders Fredo and Pinkeye to get three hornacorn dolls, despite not being into it, he only wants them to destroy them just to spite Audrey. Luckily, Pinkeye decides he wants to keep them for himself.

In “Campfire Weekend/Girls Just Wanna Save Fun”, Melvin and Audrey express the fact that they share reluctance and disgust for complimenting each other, before Melvin compliments Audrey's ideas and craft with her surfboarding halfpipe.

In “The Great Brain Robbery”, One Of Melvin’s original plans was to marry Audrey.

In “Bring it Prawn”, Melvin stutters when Zoe asks Melvin if he likes Audrey.

In “Harvey Endings”, When both called it a truce, they’re eyes sparked like in season 1 ep 1.

Fanon
She and Audrey kiss in fanfiction.

Fanfiction
https://www.fanfiction.net/s/13692690/1/Audrey-in-Love