When you find an avocado in a location that it shouldn't be.
"Ooooh they just got avocado surprised..."
When you are too drunk to find the bathroom at your friend's house so you pee in your suitcase and when you wake up you get a suitcase surprise.
"Yo I woke up to a suitcase surprise..."
"How much did you drink last night?"
When a person climbs into the ceiling of a bathroom and cuts a hole above the shower recess for their erect penis to hang through and then ejaculates on the next unsuspecting user of the shower.
He was mortified to find his roommate had once again given him a Bomber's Surprise Shower when entering the shower to prepare for work. It would take him hours to remove all the semen from his hair.
A party in which, instead of the person/people of honor being surprised, the guests are surprised.
Hey y'all, you're cordially invited to my reverse surprise party to celebrate my 50th birthday... tonight, at 7pm! Be there or be square! Surprise, bitches!!!
A Surprise Eject is the act where your genetically male sex partner and you have made an agreement to warn the giver of oral stimulation, before ejaculating. However, then so encumbered by the pleasure, ejecting around the facial area without a warning.
Friend: ''Don't you warn her first before you glaze her face?''
You: ''Sometimes you can't say the word and then PFFRRT''
Friend: ''You Surprise Ejected her?''
You: ''Is that how you call it?!''
this is what you tell your children when they ask if they were accidents
son: "mom were me and john accidents?"
mom: "no hunny, you were surprise blessings"
When a girl gives a guy a handy, well her hand is covered in maple syrup. Then when the guys dick is hard enough she shoves a maple bar on it and proceeds to give him a blow job well eating the donut off his dick.
Chad: I went over to Rachels house
Shawn: You get head?
Chad: Better a Canadian surprise. There was maple syrup everywhere.