plug up
Intermediate (B1)neutral
To stuff something into a hole to stop water, air, or anything else from getting through
"He used waterproof sealant to plug up the cracks in the basement wall."
Hear it in context

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Tom Scott · 10:18
you must plug up and unplug this machine every ten minutes.

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Don Toliver · 15:12
Is there any type of way we can plug up um

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LEGIQN · 46:13
Tomorrow I will plug up the Nintendo Switch 2 and we

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Konstantin · 19:44
Okay, now I just need to plug up all the HDMI ports

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Scott Hanselman · 19:45
You just plug the plug up 48 across all the IO drawers.