The "First" part is referring to the first president. So you have someone dress up in a George Washington costume, then they give you a Rusty Trombone. You then finish on the back of their hand and they proceed to backhand you.
Why get a Rusty Trombone when you could get a Rusty First Hand?
by Arcum Dagsson November 6, 2013
Daughter of their maternal first cousin with the paternal first cousin or double-first cousin’s daughter.
My double-first cousin-niece is a good person.
by Hgcloziw November 23, 2019
The first day a girl is on her period she collects her blood and uses it as a face mask for the natural benefits
by Jimmy5678 March 13, 2022