Sometimes, if the dog is overly-submissive it will pee to show that it is "weaker" than you. Also, dogs pee sometimes when they get too excited. Or, the dog could have a bladder infection. You should check it out with your vet.
uncontrolled urination while clothed?
Some causes of painful urination can be a Urinary Tract Infection or possibly prostate problems. It is always good to see a doctor if painful urination persists.
Find another home for your dogs.
Uncontrolled cell growth is usually called a tumor. When there is a condition that causes uncontrolled cell growth of abnormal cells, it is called cancer.
What is the cause of uncontrolled urination
Chlamydia is a sexually transmitted disease that can cause frequent urination.
Uti Possibly
Some have it; there is no problem with it.
they do it to stop getting themselves wet with urine
The most common sign of bladder infection in dogs is frequent urination or straining to urinate.
It's not common, but it is definitely possible.
BPH produces a swelling of the prostate gland that obstructs the urethra. This causes painful urination, reduced urine flow, difficulty starting or stopping the flow, dribbling after urination, and more frequent nighttime urination.