When you freeze your penis to where it starts being painful, then you run inside and place it inside of your sleeping significant others vagina.
It's cold outside, my dicks about to freeze off I better run inside and give the old wifey a Finnish Icicle to save it from happening.
by Mr.Bee February 21, 2022

The act of gunmen on skis assaulting a group while passing by at high speed, typically with submachine guns, derived from the success of Finnish forces on skis using guerilla tactics against the Soviets in the Winter War and WWII
If Chad doesn’t stop cutting me in line at the express lift I might have get the boys to hit him with a Finnish Drive-by, you feel me.
by fartlove99 January 27, 2021

Another word for Molotov Cocktail, an incendiary device used by the Finns during the Winter War, and was first used in the Spanish Civil War, before they were named after Soviet Foreign Minister Vyacheslav M. Molotov, who remarked that the bombing runs on Finland were actually supply drops, which they weren't, as one could guess.
by ytphantom April 11, 2019

When you cum you spill your load into a snow cone and slam it in your girls mouth with your Johnson like a Finnish KP-m/44 submachine gun bolt.
“Hey did you hang out with Jessica last night?”
“Yeah, we boned and I gave her the ol’ Finnish Finish.”
“Yeah, we boned and I gave her the ol’ Finnish Finish.”
by TheAnimalMother912 November 20, 2020

"Bro I was talking to this chick last night, and said I wanna die as a joke, and she got all worried and shit"
"Bro she might have big finnish energy"
"Bro she might have big finnish energy"
by _kiddy_ August 16, 2019

Means to finish with learning Finnish. Or one by one translation:
to finnish - to finish learning Finnish
to finnish - to finish learning Finnish
I have to finnish. - I have to finish learning Finnish.
I am finally finnished! - I am finally finished learning Finnish!
Is she learning another language again? Yeah, she finnished.
I am finally finnished! - I am finally finished learning Finnish!
Is she learning another language again? Yeah, she finnished.
by DoxxTheMathGeek August 19, 2024

"Bro I said this chick was a jerk last night, and she stormed off"
"Don't worry bro she probably just had big finnish energy
"Don't worry bro she probably just had big finnish energy
by _kiddy_ August 16, 2019
