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To slap someone and call them a noob.
"My sister's boyfriend is such a noob." "Then noobslap him."
by FunkRenegade September 03, 2005

Words related to noob slap

To be beaten soundly by a noob. Usually follows a long silence where the "pro" either leaves, kicks the noob, or starts ranting.
Noob123: "I won right?"
Pro1337: "Wtf...j00 h4x0r! Dis be unpossible!" *cries*
by BootlegDVD January 09, 2005