Yellow Hammer is a term for a curve ball that not only breaks but has a big drop to it. Another term for Yellow Hammer is a '12 to 6' curve ball. Other terms for a curve ball are 'yakker' and 'Uncle Charlie'.
It means cowardly.
No such thing in baseball.
Hammer Toe is hammer digit. It refers to a deformity of the middle joint of a toe, normally the large toe or baby toe. See link below from the National Institutes of Health.
"Yellow" is a term used in Boys lacrosse which means to slow it down,or hold onto the ball.
Ring hammer.
toe
"Yaller" is a dialectical variation of the word "yellow." It is commonly used in certain regions in place of the standard English term for the color yellow.
The Tagalog term for yellow turnips is "singkamas."
The name for the hammer of Thor is Mjohnir. Other than that I have found no formal name for "war hammer."
The term "peen", when used as a noun, refers to a part of the head of a hammer. When used as a verb, it refers to the process of working metal with a hammer.
in baseball, it means that the bases are loaded.
hammer time