Simma 

An extremely handsome man. Usually, they are very tall, muscular and intelligent.

Zach is such a Simma.

Simma by Jeffrey Foxsmyth June 20, 2021

simma 

Truncated form of "simma down now"; used specifically when trying to hold one's keep, defending against someone. Synonymous with "hold!!" or "wait!!"

in Lord of the Rings movie part II, when everyone's preparing to hold the fortress, you can at one point hear a determined "hooold!!, hoooolddd!!! hooooooollllld!!!!!". Well the alternative to that is
"simma!!!, simmmmmmaa!!!!!, simmmmmmaaaaaaa!!!!!!"

simma by Peter Poland October 24, 2003

Simma 

Simma is a pisces and pisces men like to cheat(at times) because they don’t know what they want. Don’t go for a simma

‘O my goodness not a Simma!’

Simma by anonymous November 22, 2021

simma 

Referring to being a genuine man and being cool to others

“Hey man you are totally a simma!”

simma by clashfox January 29, 2025

simma down 

a common phrase passed around at many instances of the African American family meal

grandma: “y’all be ready to eat when the collard greens simma down”
uncle: “these kids betta simma down right quick while im watchin’ the game
bro: “yo- just simma dog, im on the phone with my honey”

simma down by Nikki November 4, 2004

sim simma 

1. a phrase used as a declaration or recognition of greatness by oneself or another person, most often used in a congratulatory nature

2. an informal greeting between friends, replaces or adds on to "yo" to mean "hows it going", or "whats up"

3. a response to a greeting, and depending on vocal tones, can be used to convey a wide variety of moods

4. nonsensical lyrics used by Beanie Man at the beginning of the song Who Am I

Example 1:
Dude 1: Yo dude, remember that girl I was talking to at the club last night?
Dude 2: Yea.
Dude 1: Well afterward we went back to my place and she let me tap that!
Dude 2: Sim simmaaaaa!

Example 2+3:
Dude 1: Yo, sim simma?
Dude 2: Sim simma.

Example 4:
Beanie Man: Sim simma, who got the keys to my Bimmer?

sim simma by Halo 2 Killa December 22, 2008

Sigma Hater 

One who possesses a disproportionate disdain for single bonds. Known colloquially as "pi snobs," these individuals are predisposed to looking down on saturated molecules.

Freddy said he wouldn't go near that 3-methyl octane, but he can't keep his hands off my heptadiene. Man what a sigma hater!

Sigma Hater by Big Diggity January 6, 2015