Somebody is who is beyond stupid in general or at certain tasks. They are so dumb that they compare to a plank of wood in terms of brain usage.
In fact the plank of wood will usually solve the task before the person.
Jack: So did Alan manage to fix that rusty gate?
Bill: Nah man that lads as thick as a plank.
Fsms thick is when your jeans don't have air in them there for you are thick by fsms standards.
She's not thick but she's fsms thick
When a chick is sooooo damn thick, she makes boys dumb af
Bro Kate is so Dummy thick , she made my IQ go down
171๐ 23๐
someone with a huge ass or thighs.
boy 1: "damn did you see audrey's ass?"
boy 2: "i know! she's thick af!"
audrey: "stop looking your perv's!"
22๐ 1๐
Referring to a girl being thick. ( having curves , booty , thighs ect.)
"damnnn , shawty thick! I would tap that "
43๐ 8๐
When you're skinny but still have ass and titties.
"Aye man, what would you consider Mimi?"
"Mm...chubby and thick."
"Nah, NATSUMI'S chubby and thick, but Mimi is slim thick. She's skinny as fuck, but that ass and those titties still poke out, and they jiggle when she runs"
"...Shiiit you right"
77๐ 9๐
A fancy term in the field of fluid mechanics that really just describes the boundary layer momentum thickness. No one really knows what it is, what it does, or how to use it - not even the teacher.
Boy 1: "Wow! look at that momentum thickness"
Teacher: "What is that?!"