A mayo smile is a smile in which the person smiles without showing or barely showing their teeth. The way they jut out their bottom jaw looks like a underbite, thus giving the look of having a mouthful of mayonnaise.
by ImanJoelle May 12, 2016
 Get the mayo smilemug.
Get the mayo smilemug. by TheSpartanicaOfAnyHellstromu3e April 24, 2025
 Get the Smiles That Killmug.
Get the Smiles That Killmug. A game played where a group of men are being given blowjobs and the first one to smile loses. On the other hand a group of ladies are being licked and tongued and the first one to smile loses
by Exbublhed July 24, 2021
 Get the Smilesmug.
Get the Smilesmug. by JerkyTarts September 13, 2024
 Get the Duchenne Smilemug.
Get the Duchenne Smilemug. by dickslapper72 May 24, 2016
 Get the gapped smilemug.
Get the gapped smilemug. by spysoke April 30, 2021
 Get the national smile daymug.
Get the national smile daymug. a youtuber dies in bladeball. GOOD ENDING (SMILE FACE) HAHAHAHAHAHAHAHAHAHHAHA AHAHAHAHAHAHAHAHAHAHA AHA A HAHAHAHHAHAHAHAHA AHAHAHAHAHHAHAHAHAHAH AHAHAHAHHAHAHAHAHAHHAHA AHAHAHAHAHHAHAAAAH AHAHAHAHA AHAHAHAHHAHAHHAHAHAHAHAHAA AHAHAHAH
by AntiVenim Six February 5, 2024
 Get the good ending (smile face)mug.
Get the good ending (smile face)mug.