Lead in (one's) pencil phrase informal
The verb "put" or "have" is usually used before this phrase.
Male sexual performance, ability, or vigor.
If you experience erectile dysfunction, you should take this medicine. I assure you that it will put lead in your pencil.
I can't think of any medicine putting lead in your pencil. The only way to regain your lost sexual vigor is to modify your unhealthy lifestyle.
My husband has no lead in his pencil, so he always feels less excited about sex and less engaged during it.
1. Used to describe someone that are alert, energetic, and enthusiastic, typically after some refreshing activity.
2. Extremely clean and neat, or well-kept.
An abundance of exuberant, young vigor, enthusiasm, or vitality.
Vigor, energy, ambition, or powerful determination to succeed or win
Feel completely refreshed and good mentally and physically
The origin of this phrase is not clear.
To long for something/ to do something
I'm itching to go to a tranquil place of quiet beauty.