The translation of "five-thirty" in German is "halb sechs", which phonetically sounds hilariously similar to the english phrase "have sex." It's like saying half of six. See this for yourself by finding this translation on Google Translate and playing the audio of the German translation at a high volume. The door is now opened to a whole new world of communication possibilities with this phrase. Your application of the term is limited only by your healthy, twisted imagination. Likely the best way to use this phrase is in communication with fappalicious babes, in order to confuse the shit out of them while suggesting coitus between the two of you. If she happens to go home and look up the meaning of five-thirty in German, she will likely "get" what you were saying to her, and perhaps react in a highly favorable way (being amused and/or turned on) or in a very unfavorable manner (being offended and pissed off). Obviously, if you say this to random chicks you won't have to interact with again, you don't have to worry about their later reactions, unless of course she knows German, then you'll have an entirely different story. You can also say "halb sechs" to confuse people in a different way. Your welcome and have fun! :p
"Hey girl, you wanna hook up later and German five-thirty?"
"This guy walked up to me and said that someday we were gonna german five-thirty. Whaaa??"
"Your mom likes to german five thirty with me."
"Where the FUCK would you be if not for GermanFiveThirty?!"
"Thank the WombRaider for German five thirty."
"When Bruce Wee attempted to German Five-Thirty with Latrine Fapinwhacker, he failed to perform and was deservingly humiliated."
"What time is it?"-"German five-thirty!"
SPEAKERS:"HALB SECHS!" YER MUM:"WHAT?!" YOU:"THEY SAID "FIVE-THIRTY" BITCH, GET YOUR MIND OUT THE GUTTER AND QUIT INTERRUPTING MY GERMAN LESSONS!"
"Hey, I'm Vag Bashington and the time is German five-thirty, so hoe, that shirt is becoming on you, if I were on you, I'd be cumming on you, too!"
"This guy walked up to me and said that someday we were gonna german five-thirty. Whaaa??"
"Your mom likes to german five thirty with me."
"Where the FUCK would you be if not for GermanFiveThirty?!"
"Thank the WombRaider for German five thirty."
"When Bruce Wee attempted to German Five-Thirty with Latrine Fapinwhacker, he failed to perform and was deservingly humiliated."
"What time is it?"-"German five-thirty!"
SPEAKERS:"HALB SECHS!" YER MUM:"WHAT?!" YOU:"THEY SAID "FIVE-THIRTY" BITCH, GET YOUR MIND OUT THE GUTTER AND QUIT INTERRUPTING MY GERMAN LESSONS!"
"Hey, I'm Vag Bashington and the time is German five-thirty, so hoe, that shirt is becoming on you, if I were on you, I'd be cumming on you, too!"
by Bruce "RamRack" Wee June 28, 2012

northern california. started by me on november first 1997 when norcal witched from 916 to 530. it is a movment to put norcal on the map. it has NOTHING to do with the hyphy movent or the bay area. we ryd mini trucks.
by Dirty530 king August 1, 2007

The time of day where the realest get together to create a mix of fountain drinks--a suicide. It is most common for this to take place while working at a restaurant where you have access to fountain soda. The act is done at the bottom of each hour, and a third party decides who has created the better drink, and that person reigns supreme untill the next suicide thirty.
Josh: "Hey Jason, do you happen to know what time it is?"
::clock reads 4:30::
Jason: "Yeah, its suicide thirty, time for me to defend the title."
::clock reads 4:30::
Jason: "Yeah, its suicide thirty, time for me to defend the title."
by Leek88 September 9, 2012

Man, I was thirty eight hot when my boss said he had to let me go.
Girl I am thirty eight hot cause my boyfriend lied and told me he was going out of town and I just seen him with some other chic!
Girl I am thirty eight hot cause my boyfriend lied and told me he was going out of town and I just seen him with some other chic!
by YED June 27, 2008

The high price of life-critical drugs in developing countries is a thirty dollar grapefruit of the highest order.
by Mr. Grapefruit March 2, 2009

A war that lasted thirty years
by thrityearswar October 30, 2018

Jason: ‘I’ve just turned 30, I need to go on the show Married at First Sight’’
Andy: ‘Nah mate, you just have itchy thirty feet’.
Andy: ‘Nah mate, you just have itchy thirty feet’.
by The piney of five March 26, 2018
