When someone is telling a story and you really dont give a fuck, but to be nice you go into Auto Yeah Mode by countering there sentences with the word yeah. Also you can mix it up with a "I bet" or a "Really" to assure them you still give two shits.
Grandma: See back then went didnt have air conditioners...
You: Yeah...
Grandma: You could just leave your doors unlocked too.
You: Yeah....I Bet
Grandma: You could understand what they were singing.
You: Yeah....
Brother: Hey dipshit. what did she just say? are you in Auto Yeah Mode?
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."