When you are feeling particularly dumb during a studying session you are experiencing smooth brain hours.
Having a smooth brain is a sign of little to no intelligence, animals such as the koala bear, rats, and Magga have an extremely smooth brain and therefore are quite unintelligent.
"Hey Theodore I can't seem to find the solution to this math problem"
"No wonder Guni just look at Maggie in the corner over there counting cards, we are deep in the smooth brain hours"
"Ahh I feel it in my veins"
"The only way out is to embrace it and wait it out yung one"
Gleiður is when you are feeling sad and Horny at the same time.
It comes from the words Graður and leiður.
Graður in Icelandic translates to Horny
Leiður in Icelandic translates to sad
"Hey Josh I'm feeling hella gleiður after my grannys funeral."
"You are sick Frank, get some help"
"Leave me alone, I'm gona go and blow my load"
Greiður is an Icelandic slang word used a lot by the infamous gang glacier mafia.
Greiður is similar to the word gleiður in a way.
It comes from the words Graður and reiður.
Graður in Icelandic translates to Horny
Reiður in Icelandic translates to angry
"Hey Tristan I'm feeling hella greiður after my sister defeated me at ping pong"
"You are sick Frank, get some help"
"Leave me alone, I'm gona go and blow my load in my f-150 pickup truck"
Fake vapeing, or vaping with no nicotine
Yo see the gay fgt over there he be fapeing like a chimney.