Top definition
When an person/animal is lying down & you run up to them, fart on their head, & leave the room.
"You should have seen the look on my cats face when I did a fly-by on him last night! He now twitches & I'm waiting for his left eyebrow to grow back! Priceless!"

"Dude, I did a fly-by on my mom yesterday! She didn't find it as funny as I did. Anyways, I can't come over, I'm grounded!"

Lassie: "Woof woof woof Timmy, woof woof fly-by woof, Fluffy, woof woof woof!"
by NoLongerStevesMcQueen! October 20, 2014
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Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
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2
After you finger a girl's pussy, you do a covert sniff test to determine if it is safe to go down on her.
I did a fly-by before I tasted her pussy.
by Boundaries Suck June 25, 2019
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3
upgrade from a drive by ( drone checking out dudes in the middle east )
Fire control officer lets do a fly by . Yo doggs, its just like Los Angles take the wheel and squeezz the trigger...
by itichie_nocanpo July 24, 2006
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4
Done by a ricer after losing a race. It's the racing equivalent of a sucker punch. It goes like this: the race is over and the winning car is slowing down but the losing car just keeps going and flies by at (what seems to them, at least, to be) a great rate of speed.
I saw a Z hand a ricer his ass, who promptly did a flyby.
by ghost July 31, 2003
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5
When you fly past someone and shoot them instead of the more common Drive-By.
Captain Bowen just pulled a Fly-By on them gunmen.
by gofishgo January 02, 2007
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6
Done by a ricer/meat head after losing a race. It's the racing equivalent of a sucker punch. It goes like this: the race is over and the winning car is slowing down but the losing car just keeps going and flies by at (what seems to them, at least, to be) a great rate of speed. The losing car will most likely resemble the sound of an amtrak train (meat head) or a weed wacker (ricer).

See also, loser flyby, ricer flyby, meat head, ricer
"Did you see that guy? He just did a flyby to me after I already smoked him.
by 572 October 23, 2007
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