belch up

belch up

To expel in an upward direction. You can't see far into the distance with all of the smoke being belched up from the factories along the river.
See also: belch, up

belch something up

to cause the release of something that goes upward. The fire belched flames and smoke up. The volcano belched up clouds of poison gasses.
See also: belch, up
References in periodicals archive ?
The low pressure allowed hydrates to melt and belch up methane.