The act of sliding into the break room to post up by the microwave to look through Grindr matches.
Yo where is the loop driver? He probably pulled a sneaky Nicco!
To attack or injure (often as a result of friendly play) someone who is unprepared for an assault.
"Oh my god did you see that guy get sneaky-rocked by that foul ball?"
"My roommate used my deodorant again so I sneaky-rocked him in the head when he got home from work."
In middle of the sex when the penis enters the butt hole instead of the vagina.
Nooki : Hey Ola, why are you walking funny ?
Ola : aah, last night, my new dude, did a sneaky dicky on me.
Nooki : Ouch !
When your gay partner is alseep and you butt fuck them then punch them in the kidney and scream sensei
Johnny gave a sneaky sensei to little Mikey. Mikey was very sore in the morning.
When a woman dresses like a man to hide her actually being a woman to avoid detection or get something for herself.
Stacy: Oh? Look at him, he's pretty cute. Think he'll buy us all drinks?
Linda: Don't bother. He's a Sneaky Beaver who comes in now and then to get drinks and leave without being hit on.
A sneaky watsit: A person preferably a nonce on the shool bus who continues to pull your trousers down.
Hey Joel! "You sneaky watsit" stop harrassing me
where you have intercourse with your partner doggy style then when shes cumming you slip a thumb in her back door
that sneaky salesman got in last night didn't he