Top Definition
Pet name for a nighttime erection that will in no way
subside on it's own.
Turgidity that's a 14 on a scale of 1-10.
Hank: Shit ,I got no fuckin sleep last night.
Frank: Why, bad dreams,.. nightmares?
Hank: Worse, a Midnight Johnson.
Frank: WTF is a Midnight Johnson?
Hank: It's an erection so intense, that there isn't enough
skin left to close your eyes!
by Boleskinehouse August 20, 2009
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