What you give someone when you stick their head in a toilet bowl and flush. From the fine family of humiliating physical insults such as Indian rug burns, purple nurples, wedgies or run-of-the-mill nuggies.
You better watch out or I'll give you a swishy!
by Toe fan May 5, 2009
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A tool crafted by stoners used to move the herb around for nice greens every time they hit the bowl. These swishies can array from bobby pins, paper clips, and other pointed objects.
Person 1: hey man can you pass the uh.... The swishie!

Person 2: oh you mean the paper clip?
Person 1: yeah man, the swishie!
by Princessrachel June 23, 2015
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A Swishy Dog is a prank to play on either a sleeping, drunk, or otherwise incapacitated person at a party or wherever the situation permits. Simply wait until the victim passes out, or is sleeping. Next, take a room temperature hot dog and insert it into the victims mouth. "Swish" the hot dog all around the inside of their mouth, teeth and gums, forcefully if needed to ensure that they will wake up. continue to slap it across their face and forehead until they open their eyes. Next, hide the hot dog, unzip your fly and pull your dick out of your pants and present it close to the victims face. If properly executed, the victim will suspect that they just got finished getting mouth raped and subsequently never be the asshole who passes out at a party again.
After falling asleep to an episode his favorite show, Harry Paratesties woke up abruptly to something forcing itself in and around his mouth emitting a salty taste throughout. As he opened his eyes he immediately was horrified at the large, uncut penis that swayed before him. A burst of laughter ensued as all of his friends accused him of blowing another man. But everyone at the party knew that he hadn't, he was just the victim of a perfectly executed Swishy Dog. (See also; felching for duckbutter)
by FupaGunt March 7, 2015
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The long black trench coat that adorns the shoulders of the ever so sexy Benedict Cumberbatch a.k.a Sherlock Holmes in the BBC series Sherlock.

The swishy coat is known to intimidate even the most stubborn of people, and will occasionally make Cumberbitches go into fan-girl fits of lust, as well as make Sherlock seem like a total classy badass. (not as effective as The Purple Shirt of Sex)
Sherlock Holmes could only look sexier if he was wearing the swishy coat.
by Amelia Cumberbatch July 4, 2011
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A hair style often worn by teenage boys where the hair length is between the eyebrows and nose and has a slight curl up at the end. The boy will often flick his head to the side making his hair 'swish' to one side therefore creating swishy hair. This hair style is often popular among the surfing community
Heyy that dude has swishy hair!

Check out the surfer with the swish
by June Snow August 22, 2009
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When you mix pubes and semen in your mouth and swish it around like mouthwash.
“Yeah, man, Brittney is crazy, that bitch gave me sheep swishies last night.”
by everyonesfavoritebarista November 17, 2021
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