A dirty Finn is when your doing a girl so hard that your brains go out of your nose.
guy 1: I totally gave my ex a dirty Finn this morning
guy 2: NIOCE!!!
77π 16π
A dirty Finn is when someone shits on your belly and licks it, while giving you a hand job.
Let's do a dirty Finn Grandma.
When a person gets ragged out from the back so hard that shit flies out of there asshole and goes into their nostrils and eye sockets while orgasming and pissing all over their dog
You dude last night my girl had a dirty Finn moment
5π 2π
When you have 48 condoms but they don't fit, so you shag a girl so hard that she gets pregnant within three weeks. And then continue to do so even after the test.
Damn, I can't believe you gave that girl a dirty Finn before you even started dating.
When you dress up as a furry and piss in the other persons mouth while barking
Last night I did a dirty finn
When u dress up as a furry wolf and piss in someoneβs mouth and start howling
1π 1π
A chick says a black guy has a bigger dick than he actually does
Did you hear that river pulled a dirty finn to her bff
1π 7π