1 definition by WhackShackWilly

"Beat Off, Pass Out"; To masturbate aggressively to the point of exhaustive ejaculation and enjoying a heavy nap immediately after said self-pleasure.
Example 1:

Me: "Looks like I have the afternoon off, think I might BOPO."

Example 2:

Student 1: "This class blows, I stayed up all night doing that paper!"

Student 2: "Sounds like you could use some nice BOPO."

Student 1: "No doubt, Bro."

Example 3:

Taylor was upset to find her boyfriend, Austin, had already BOPO'd on the couch when she got home from work because for once she didn't "have a headache."
by WhackShackWilly October 6, 2011
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