sucking mud (adj.)
[Applied Data Research] (also pumping mud) Crashed or wedged. Usually said of a machine that provides some service to a network, such as a file server. This Dallas regionalism derives from the East Texas oilfield lament,
Shut 'er down, Ma, she's a-suckin' mud
. Often used as a query.
We are going to reconfigure the network, are you ready to suck mud?