Si

When you have no idea what the fuck your Spanish teacher is talking about.

: ¿Más preguntas?
: Si
:¿Cuál es la pregunta?
:Si

by I got a 7 in Spanish ab June 11, 2020

Si

Is an abbreviation for Stupid Idiot, not to be confused with a nickname for someone called Simon.

You fucking Si; get 'ere now you Si

by SkiddyUnicorn29 July 25, 2022

biffle sis

Boyfriend’s Little Sister

She’s my biffle sis because her older brother is my boyfriend

by Bong$ta August 27, 2022

biffle sis

Boyfriend's little sister

Just looking out for my biffle sis

by trulybenji September 14, 2022

Sis Tank

A sis tank is the female version of a “bro tank.” Often defined by a loose fit with wide arm holes.

Rahsaan: “what are you wearing?”
Reagan: “a sis tank”
Rahsaan: “what?? That’s not a thing”
Reagan: “well what are bro tanks but for girls called?”
Rahsaan: “touché”

Rahsaan: “it’s so hot I’m glad I’m wearing my bro tank to the gym”
Hannah: “yess so glad I have my sis tank to wear”
Rahsaan: “happy for you too sis!”

by 17386789998212 February 07, 2021

Sis Tank

The female version of a “bro tank.” Often categorized by loose fit and wide arm holes.

Rahsaan: “hey what are you wearing to the gym?”
Reagan: “a sis tank!”
Rahsaan: “that’s not a thing”
Reagan: “well what do you call a bro tank when a girl is wearing it?”
Rahsaan: “touché”

by 17386789998212 February 07, 2021

Gway Si

Chane Swi.

When you wear make-up, you really look like Gway Si.

by Kancor March 09, 2022