When your brain shuts down after seeing a fantastic piece of ass walk by, preventing you from continuing whatever you were doing.
Boris and Jerry are having lunch at McDonald's talking about neural networks just as a milf walks past. Jerry notices the milf....

Boris: "Please explain what you mean by the nested node method of traversing..."

Jerry: "Huh,.... hang on Boris I am having a lockup, I need a moment to reboot"

by JerryfromAus April 11, 2008
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Nigerian Pidgin term meaning Not to Show or Not Showing Concern Towards A Situation Or Somebody
See as tega just Lock Up when den be dey beat me
via giphy
by Cold Switch February 04, 2020
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