Failentine's Day 

A holiday occurring on February 14th every year during which you realize you are, in fact, miserably single. For most people, they also realize that this hasn't changed since the last Failentine's Day (or Failentine's past). In addition to the self-pity that occurs, there is the constant reminder that other people are together and in love (usually in the form of red paper hearts and cupids decorating the walls of all buildings, all of your favorite stores having Failentine's Day sales, roses appearing in February and giddy couples walking down the street and holding hands/kissing).

Emily woke up to a text from her best friend, Andrew. It read HAPPY FAILENTINE'S DAY. Emily was then thrown into a depression about how alone she was.

Failentine's Day by RileyMichael February 15, 2009

Fapentine's Day 

Valentine's Day for the people who don't have anyone to spend it with, and instead stay in their homes, Fapping

Bob: Hey, man, so who are you spending this Valentine's night with?
Frank: I'm gonna celebrate Fapentine's Day by myself.

Fapentine's Day by medicalmechanica October 5, 2011

Fallontine’s Day 

The celebration of a beautiful lady, Fallontine’s Day is celebrated on the 14th day of February to not coincide with any other holiday. The lucky ones will celebrate with her while others will toast her from afar wishing they were in her presence. Cheers to your day, Fal!

Listen, Fallontine’s Day is coming up, we’re going to paint the town and I’m going to look good!

Fallontine’s Day by PoorShiShi February 14, 2019