Oops, it doesn't look like 'sex im a loser day' is a national day..

Other days

lumpy rug

Lumpy Rug Day
ponytail

Ponytail Day
law

Law Day
stud

Stud Day
cuddle up

Cuddle Up Day
slime

Slime Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
lisp

Lisp Day
pampering

Pampering Day