NOP Slide ( or NOP Sledding )

Links:
Course - https://taggartinstitute.org/courses/1840120
Related Video - https://www.youtube.com/watch?v=1S0aBV-Waeo

Basic Idea

You have a rough target memory address (not exact since things vary) on the stack. On the stack you place a bunch of NOPs (No OPeration bits - x90) that then become executable shell code.

NOP NOP NOP NOP NOP NOP Script
x90 x90 x90 x90 x90 x90 <shellcode>