Oops, it doesn't look like 'meat sweat day' is a national day..

Other days

believe

Believe Day
first love

First Love Day
artists

Artists Day
pumpkin

Pumpkin Day
ride the wind

Ride The Wind Day
tell a fairytale

Tell A Fairytale Day
boba

Boba Day
stud

Stud Day
aloxolt

Aloxolt Day
promposal

Promposal Day