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6.
A day in which you perform the freund multiple times.
Damn that good day sure looks like he got a lot of sun.
von esch8 23. November 2003
 
1.
The phraze that the character FES(FEZ) off of the show 'That '70's show' says when one of the other characters makes him mad or frustrated.
FES Good Day!!!
Donna: But FES...?
FES: I said GOOD DAY!!!(runs out the door)

Kelso: FES you're just mad that your chickens and lizards don't fit into my pinball machine.
FES: I will not dignify that with a responce... for i cannot think of one, but when i do... good day!
Kelso: But FES...
FES: I said kiss my a$$
von FES 3. August 2006
 
2.
The day you accomplish something you've been meaning to do for a long time. It usually involves doing something bad ass and having people give you compliments all day, such as "that was so cool" or "you are god".
Valerie came up and started bugging me again so I fucked her shit up; it was a good day.
von nomnomnomess 18. Februar 2010
 
3.
something said by one Brit to another in an attempt at cordiality when in actuality both parties despise the other (which can be attributed to irritablility caused by bad weather and overly high socks.)
"Good day to you too....you bloody cheap bastard."
von Moose 23. November 2003
 
4.
When a girls ass or camel toe is showing perfectly.
"Holy shit dude, did you see Megan today?"
"Yeah man, its a good day."
von niqqa h8tr 9. Januar 2012
 
5.
The greatest band ever to grace this earth
"hi im a member of Goodday"
von johnson 19. Dezember 2003