plug up


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plug something up

to stop or fill up a hole, crack, or gap. Take out the nail and plug the hole up with something. You have to plug up the cracks to keep out the cold.
See also: plug, up

plug up

v.
1. To obstruct the path or passageway through, into, or out of something: An orange rind plugged up the sink. Leaves have plugged the storm drain up.
2. To be obstructed so that substances cannot pass through: The hose plugged up and eventually burst.
3. To cause the path through, into, or out of something to become obstructed: They plugged up the leaks in the boat with tar. We plugged the hole up with a cork.
See also: plug, up