A phrase used to describe someone or something stupid because "dick hammer" insinuates a device used to hammer dicks and thats a pretty stupid thing to have.
I can't believe Jane lit a firecracker in her cooch and burned her gooch...she's about as smart as a dick hammer!
Santa gave you a shake weight!? That thing is as useful as a dick hammer.
1 n: A penis used as a hammer, almost explicitly referencing sexual intercourse
2 n: A penis shaped like a hammer
3 v: Term used to describe causing harm to someone or some thing.
1- 'Oh. My. God. Last night was great, he has a dick hammer.'
When you do nothing but sit around day after day watching prom and masturbating non-stop and your dick is flat out sore, red and raw like ground hamburger.
Something that is very large in ratio to the size of its or your body. This refers to the size of a hamsters penis in relationship to the size of its body. This ratio is said to be close to 1:1