by Smysizzle July 3, 2011

a phrase used to mean "normal and civilized (however one defines these words) people don't behave the way you do.
a boy, after having been to physical science class in elementary school and having learnt the basics of what electricity is, comes home and tries putting scissors in the kitchen plug.
His mother starts screaming at him:
mother: is this f-sag you twit? what are you doing, you'll create sparks and burn the damn house down. Pigs and cows don't fly. Go to your room now. She then takes a broom and starts chasing him around the house.
son: I can attach balloons to anything i want, (turn anything I want into a fad or trend) no?
His mother starts screaming at him:
mother: is this f-sag you twit? what are you doing, you'll create sparks and burn the damn house down. Pigs and cows don't fly. Go to your room now. She then takes a broom and starts chasing him around the house.
son: I can attach balloons to anything i want, (turn anything I want into a fad or trend) no?
by Sexydimma February 28, 2012

To trip on psychedelic mushrooms to the point where you think you might be Cajun. The term is commonly used by middle schoolers who recently tripped for their first time
Hey, did you try any of Katelyn's shrooms last night?
Nah man, why?
Holy shit man! It was crazy! I was flying with the hurricane
Nah man, why?
Holy shit man! It was crazy! I was flying with the hurricane
by McBurger66 May 6, 2015

by the badass of all badass. October 2, 2016

Named after the minions of the Wicked Witch of the West, in the Wizard of OZ. These are people who have no minds of their own and will do the bidding of a witch (with a B) that controls them. They will fly out of nowhere and attack you, because they unquestioningly believe what she/he told them.
Are you innocent? Doesn’t matter.
::witch cackling:: “Fly, my pretties! Fly!”
Are you innocent? Doesn’t matter.
::witch cackling:: “Fly, my pretties! Fly!”
“Great, :: name:: is jealous of me. Now she’s sent her flying monkeys to spread gossip and get me fired”!
by Lord Tracey April 6, 2023

If someone is 'fly' they are 'sly' or 'untrue' they are also someone who is a 'dirty fighter' the kind that will follow you to the toilet, then as you urinate they will attack you from behind, most of the time using their head to strike you. When using the term 'fly' to describe someone with this nature, the word fly in normally followed by the 'C' word that rhymes with front
by Mercedian June 29, 2020

Those tiny flys you see in the summer that are normally found around the bog or hovering around fruit bowls.
by A.S.8 April 13, 2017
