A metaphor used to describe one's domination over another, be it physical, verbal or in any form of competition. Refers to the record-breaking Los Angeles Lakers vs. Toronto Raptors game in which Kobe Bryant scored 81 points.
Example 1:
"Bob is really pissing me off. He'd better slow his role before I drop 81 on his sorry ass (beat him up)."

Example 2:
Brian: Who do you think would win in a rap battle, Jay-Z or Nas?
Bill: Are you kidding? Jay-Z would straight drop 81 on Nas' bitch ass.
by Jefe Heff January 27, 2006
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