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To neck/ make out with some one so rough and hardcore that you bend or brake the other person's nose.

"Becky needs a nose job now because dave lamped that shit in!"

"Did you see them two? They were practically lamping their noses in!"
Lamp her nose in: "man it was crazy last night, I lamped her nose in."
via giphy
by JollyLamper December 08, 2017
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