Bottle of smiles 

A bottle of alcoholic beverage.

"I'm starting this weekend off with a 'bottle of smiles' and a liter of Pepsi!"

Bottle of smiles by talk2me-JCH2 June 10, 2017

rabbit smiles 

What you see when you are speaking to a group of people who are smiling politely.

Looking out at the sea of benign rabbit smiles, I imagined that I may have farted.

rabbit smiles by Dr Bunnygirl April 23, 2019

smiles per gallon 

A play on the metric miles per gallon. Describes the overall fulfillment and enjoyment of a driving experience, rather than fuel economy. Used often in the car enthusiast community, when referencing vehicles that focus primarily on performance rather than daily drive-ability and convenience.

That car may suck up gas, but it makes up for it in smiles per gallon.

smiles per gallon by DemonOfRazgriz June 15, 2018

Crocodile Smiles 

Being fake to someone. Acting like you're cool with someone then going and talking shit behind their back. Similar to crocodile tears but more of a "happy" fake.

Person 1: Hey brother! How's it going dude?
Person 2: I ain't your brother. Fuck you and your crocodile smiles.

Crocodile Smiles by DIABOLIC4L June 23, 2007

Smily 

Someone who is sweet, sincere, and honest. Her presence illuminates the room and her smile lightens any atmosphere. She is faithful, but she can also be very fierce in her own ways if taunted. She has a naturally shy personality and value intelligence, family, and tradition. She is also that quiet girl that not many know about, but once someone gets to know her they realize she is amazing. She enjoy reading, playing video games, and eating ice cream.

Scumbag #1: Smily is the best girlfriend in the world.
Scumbag #2: OP

Smily by Scumbag #1 January 18, 2013

The snack that smiles back 

The snack that smiles back- children

Sam: hey look at that kid over there

Psychopath: oooo the snack that smiles back

The snack that smiles back by Amphidit3 June 13, 2018

smilesplosion 

A smile explosion

He was so happy that a smilesplosion erupted on his face.

smilesplosion by Mamma4ever September 6, 2009