Means the same as, "I don't give a flying fuck", "I don't give a Funyun", "I don't give a rat's patootie", etc.
This is a clean way of saying it -- though that hankie really needs to go in the wash. :-)
WarGrowlmon: What? Beelzemon?

Taomon: What are you doing here?

Rapidmon: Looking to hit us while we’re down, huh? That’s your style right?

Beelzemon: Hey, trash me if you want but I swear I’m here to help.

Rapidmon: Do you even know the meaning of the word?

Beelzemon: I’m on the level fellas, really.

WarGrowlmon growls at him.

Beelzemon: But I don't give a dirty handkerchief if you believe me or not, cause my partners believe in me.

Flashback to Mako giving Impmon his gun.

Mako: You can blast all the bad guys with it.
by Telephony December 24, 2014
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The act of forcefully excreting mucosal sinus contents through one nostril and onto the ground (or floor) via the closing of the other whilst expelling air - likely originating in either the American southwest or Bible Belt, most prevalently used in the trucking and agricultural industries snot rocket farmer blow
I gave up lookin' fer a Kleenex and pulled out a Mexican handkerchief on the lobby floor.
by Wyndham Lewis February 22, 2012
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When 2 gay men masturbabe each other using handkerchiefs (handkerbation), the aim is to fill the handerkerchiefs with hanky cum
"Hey Bob, do you want to go to the movies tonight'?

'Nah - me and Derek are going to be Handkerchiefing"
by Hanky Chiefer August 22, 2008
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A sexual act by which one participant blows their nose into the scrotum of their partner, causing intense pleasure. Typically performed while having a cold.
I'm out of Kleenex. Looks like its time for your scrotie handkerchief, babe.
by Sparkle MilkBags April 9, 2022
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When anyone of the Asian persuasion hacks a Lougee out of their nose by holding one side of their nostril. Hence, blowing it out across the sidewalk. It’s a whole new level of gross.
I just dodged a “Chinese Handkerchief” right in front of me walking to work in the morning!
by Kiki is da man! November 20, 2021
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