This is a variation of Full Send used by Twitch streamer AvoidingThePuddle. Someone in chat got autocorrected by their machine and sent a message that said Full Sigmund instead of Full Send, thus creating this term.
Mostly new people will ask during the break for it's meaning, self reporting that they're new and getting banned for being new since they don't know that questions aren't allowed.
"Last night on Carl, there were 2 survivors left on the stage and I went Full Sigmund on that other dude with my Afghani Rocket Launcher."
to wine and dine a woman, tell her lies, etc. to get her into bed. (Comes from the Scott Peterson case in reference to his mistress Amber Frey. Fresno is her hometown.)
Man! I pulled a full Fresno on her!
a chic having an untamed and unshaved pussy!
she had a full cage that came out of the late 70's!
a little blob at the end of a sentence
i walked the dog today..naked.<--
A way of censoring the term "fuck up"
"Wow dude, you are such a full cup"
"Girl, you best back the full cup!"
"Just, shut the full cup would you please?"
To get completely wrecked beyond belief over the course of a few days with use of illegal substances and alcohol.
Come'on boys, are going FULL BORE tonight or what?!?
To go the extra step in stupidity to reach a point where your friends think you are mentally challenged.
"So we were on a boat playing a game of "What's Odds" when grant went Full Danson and had to do a Butt Chugg"