by The RONA Wigger October 3, 2023
Get the Sister Switcheroomug. by Onice from State Farm October 20, 2021
Get the National Sister Daymug. 1. A female who has had sex with the same woman as a good friend. (not necessarily simultaneously)
2. When two females acknowledge having been intimate with the same male and remain on good terms, the girls are now bonded by having shared the same penis at one time or another.
3. Refers to two women who have slept with the same man.
2. When two females acknowledge having been intimate with the same male and remain on good terms, the girls are now bonded by having shared the same penis at one time or another.
3. Refers to two women who have slept with the same man.
Girl 1 "Holy shit, you slept with that guy rolando too?"
Girl 2 "Yes, but he told me i was his only one"
Girl 1 "Fuuuuuuuuuuuuuckit, were wallet sisters now"
Girl 2 "Ewwwwww! Wanna go shopping?"
Girl 1 "Like, totally"
Girl 2 "Yes, but he told me i was his only one"
Girl 1 "Fuuuuuuuuuuuuuckit, were wallet sisters now"
Girl 2 "Ewwwwww! Wanna go shopping?"
Girl 1 "Like, totally"
by _RollOnDough February 13, 2012
Get the Wallet Sistersmug. by ganger banger April 18, 2023
Get the Coles Sistermug. Someone with extreme mood swings. A constant worrier. A paranoid personality. Someone who often suffers from extreme stress. Someone who can't cope in a social setting.
William Wordsworth's sister (Dorothy) was a neurotic person.The domestic problems separated Wordsworth from his beloved and neurotic sister Dorothy, who was a very important person in his life.
by pseudo neurotic schizophrenia November 10, 2013
Get the neurotic sistermug. by RollingRon July 26, 2022
Get the Dirty sister Rosemug. Standard Sister-in-Law Unit
noun
*| \ ˈsta-ndərd ˈsi-stər-in-ˌlȯ yü-nət *
Abbreviation: SSILU
Symbol: 𝓢 or SIL
Definition:
An unofficial unit of mass equal to 300 pounds (136.08 kilograms), used to simulate high-risk, real-world human load scenarios in mechanical, structural, and transportation systems. The SSILU is commonly applied to test the failure thresholds of furniture, vehicle seats, elevators, bicycles, airline cabins, and public patience.
Etymology:
Originated in post-war American slang, the term is derived from the stereotype of a loud, heavyset female relative—often portrayed as emotionally volatile and structurally compromising—whose presence tests both family dynamics and infrastructure load-bearing capacity. While non-literal, the “sister-in-law” archetype evokes maximum physical and psychological mass concentration in civilian environments.
Technical Classification:
Measurement Type: Anthropomorphic Load Unit
Mass: 300 lbs (≈ 136.08 kg)
Field Use: Structural stress testing, emergency engineering simulation
Design Benchmark: Most consumer goods are not rated past 0.8 SSILU
noun
*| \ ˈsta-ndərd ˈsi-stər-in-ˌlȯ yü-nət *
Abbreviation: SSILU
Symbol: 𝓢 or SIL
Definition:
An unofficial unit of mass equal to 300 pounds (136.08 kilograms), used to simulate high-risk, real-world human load scenarios in mechanical, structural, and transportation systems. The SSILU is commonly applied to test the failure thresholds of furniture, vehicle seats, elevators, bicycles, airline cabins, and public patience.
Etymology:
Originated in post-war American slang, the term is derived from the stereotype of a loud, heavyset female relative—often portrayed as emotionally volatile and structurally compromising—whose presence tests both family dynamics and infrastructure load-bearing capacity. While non-literal, the “sister-in-law” archetype evokes maximum physical and psychological mass concentration in civilian environments.
Technical Classification:
Measurement Type: Anthropomorphic Load Unit
Mass: 300 lbs (≈ 136.08 kg)
Field Use: Structural stress testing, emergency engineering simulation
Design Benchmark: Most consumer goods are not rated past 0.8 SSILU
“She hit the fitting room like a breaching whale—1 Standard Sister-in-Law Unit (SSILU) 300lbs in full stride, swatting children aside and hollering ‘THESE SIZES RUN SMALL!!! while nearby store associates quietly begged for a swift death
by Ludwig Von Snooterman June 7, 2025
Get the Standard Sister-in-Law Unit (SSILU) [300lbs]mug.