Oops, it doesn't look like 'guys be a dick day' is a national day..

Other days

Boba Day

Embarrass Your Best Friend Day

Lost Sock Memorial Day

Nae Nae Day

Pampering Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Boyfriend Day

Tell Ur Crush You Like Them Day

Polyamory Day

Boy Friend Day