cutting the stanky jack, is when someone farts really loudly, and it smells horrible.
"hey man, you just cut the stanky jack."
"that's really gross, babe, you just cut the stanky jack."
"dude, did you cut the stanky jack?"
"dudet why the hell do you keep cutting the stanky jack?"
When a male masturbates (see jack off) while wearing only a tuxedo top and, optionally, other dinner party accessories (options include: handkerchief, top hat, cigar, etc.).
A play on words on the whiskey brand of the same name.
Roger felt fancy on Friday night, so he decided to give himself a Gentleman Jack.