Swimming in a stranger's pool in the middle of the night without getting caught.
Bonus: going through a neighborhood, swimming in as many backyard pools as you can in one night.
While the rich people went to Cancun, my friends and I went Ninja Swimming during spring break.
A popular Twitch Booby Streamer. Highly praised for his almost overwhelming, copious amounts of respect for the female gender. He became well known after various collaborations with the popular celebrity: Dwayne (The Rock) Johnson In films such as: "The Boy In Striped Pajamas(2008)" and "The Emoji Movie(1945)". Ninja is 376 years old and suffering from the globally devastating disease, Ligma. Ninja is also famous for both birthing and shooting in the testicle, Adolf Hitler. Ninja is possibly the first human being to ascend and make contact with unfathomable cosmic beings.
Woah, Ninja (Paul) ... Isn't he the creator of Roblox Superhero Tycoon? How epic! What a legend.
A npc typically with blue hair who roams around colleges, perhaps most commonly a member of the LGBT community
I see a BLUEY ninja says flynn he is getting angry
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A possible sexually transmitted disease or just made up flaw of a reason why would not wanna have with that particular someone
Boy: Girl I don't want, I hear you got ced.
Girl: How do you know what I got?
Boy: yea I know you got the ninja.
Girl: whatever lame nigga
Boy: Hey fellas, you'll here Dee Na Suzy Q got the ninja stay away from them two
While having doggy style sex with your woman, another person covertly swaps out in the same position. You then sneak around to the front side of the woman, in her field is sight (preferably even better through an open window) and then yell "Ninja!"
I used the Ninja on my girlfriend last night! I ninja'd my gf last night!
Silent but deadly except its not a fart
Ninjas are so cool, a ninja is one of the stealthiest people I can think of.