Midnight Surprise 

verb. To have your penis slip out during sex and accidentally insert it into the anus.

Guy 1: How was the sex last night?
Guy 2: It was awesome until I accidentally gave her the midnight surprise, then she ran out crying.

Midnight Surprise by theaLyssavirus May 14, 2009

Midnight Surprise 

When your girlfriend is sleeping soundly next to here and all of a sudden you jizz all through her hair without her realising.

She'll wake up the next day and freak out.

"yeah, totally gave Catherine the midnight surprise last night"

"Maaate, I midnight surprised her while she was reading the Kite Runner, total bad move on my part"

Midnight Surprise by Jackbot February 17, 2009

midnight surprise 

While sleeping with your girlfriend, quickly yank down your pants and sit on her face, after doing so you may let out a large puddle blanket, which may spray fecal matter on the woman's lips and or nose.

Man, While sarah was sleeping I gave the ol' midnight surprise with a swift poop spray to the mouth.

midnight surprise by Shizni December 9, 2008

Midnight Surprise 

Secret acts of fun performed by girls, nationwide, at midnight. Origin: Trinity College in Hartford, CT.

(Term coined by DJ Underberg, NYC.)

i i i im your midnight surprise
better believe your eyes and get ready to play
i i i im your midnight surprise
goin to tantilize you in every way

Midnight Surprise by THE midnight surprise December 14, 2008

The Midnight Surpriser

It's Midnight and the mood is right just roll on over on her and give her the Midnight surpriser. Caution to many unprotected incursions will lead to a baby surpriser.

I normally get horny at night,she's alseep by 9 and im horny by midnight so wake her up with my favorite the midnight surpriser

The Midnight Surpriser by Dave'snothere June 14, 2018