wet the/your bed
wet the bed
To urinate in one's bed, as commonly happens with children as they transition out of diapers. How old was your son when he finally stopped wetting the bed? Julia wet the bed last night, so I have some extra things to clean up here.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
wet the/your ˈbedaccidentally urinate (= get rid of water from your body) in your bed: It is quite common for small children to wet their beds.
Farlex Partner Idioms Dictionary © Farlex 2017