A person who is incredibly optimistic and high on life. They are usually peppy and make the best out of every situation. They're fun to be around and can brighten anyone's day.
Wouldn't we all want to be as Happy-Go-Lucky as her?

She is the most Happy-Go-Lucky person I've ever met.

He just had his heart broken and yet he's still so Happy-Go-Lucky.
by Nessanessness March 26, 2011
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To be happy go lucky, is to be cheerful about most all things. To have a positive view on life. To annoy the shit out of your friends, and to just be a peppy shithead.
Ugh, that Richard Simmons is SOO happy go lucky, he makes me sick!
by hey fat kids April 2, 2007
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A person who is a pleasure to be around.
They dont sweat the small stuff.

They tend to laugh easily but not forceably so. They tend not to care about trival matters.
They are most always well adjusted and have no anger issues.
Its Hot and Humid out. A happy go lucky person says this is going to be a great day by the pool.
They dont Bitch about how humid it is.
by thederby September 3, 2019
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To be constantly fapping, in private, public or the workplace.
Have you seen how much Mark visits the bathroom? He sure is fappy go lucky!
by LaserBean June 22, 2009
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When a fap session turns into a sexual encounter
Vinay was having a fap in the bathroom when Helen walked in, strapped on a dilly and bare-backed him. Fappy go lucky bastard!
by Jerrg July 23, 2009
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A term used to define a person who outwardly projects a calm and collected lifestyle, while inwardly is full of turmoil.

Having been privy to past wrongs the happy go lucky person refuses to impart that on anyone else.

This often comes across as a carefree individual, but is instead someone who cares deeply, and does not want to replicate the harm done unto them on anyone else.
After waiting for over an hour and a half in the crowded restraunt, the happy go lucky individual received luke warm food. Knowing the waiter had no responsibility for this, upon paying, the individual tipped over the expected amount, because they knew someone was going to under tip.
by Rawr42 February 23, 2019
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