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.
When someone is nearly unable to take a joke, and take everything seriously
"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"
A person who always takes jokes to seriously, and takes things personally
"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
A water bottle wrapped in detonation cord
I made a Finnish car wash to get through this wall
A sex act where the male farts in the females mouth and then the female blows out the fart from her mouth into a fire that ignites the fart blown out from her mouth.
Him: Hey, do you wanna do the finnish grand dragon with me today?
Her: Yeah.
When you're exiting a hot tub or sauna you proceed to slide your genitals across the face of a unexpecting person , partner .
After sliding his genitals across my face , while getting out of the got tub he proclaimed he gave me the Finnish slide .
Means to finish with learning Finnish. Or one by one translation:
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.