Penis and Ramrod

Penis noun - The male organ of copulation (`member' is a euphemism).

Ramrod and penis are semantically related. in cock topic. In some cases you can use "Ramrod" instead a noun "Penis", when it comes to topics like vulgar slang.

Ramrod noun - A rod used to ram the charge into a muzzle-loading firearm.

Penis and ramrod are semantically related. Sometimes you can replace term "Penis" with "Ramrod", this nouns are similar.