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 6, 2021

Sis-c-rex

A sister who has short arm like a t-Rex and her name starts with a c.

Hey why don’t you call sis-c-Rex on the phone today

by Big.cornhole69 March 12, 2021

Haaaaw si papi

A Spanish way of saying ohhhhh yes daddy

Haaaaw si papi do me harder

by anonymous March 20, 2021

Ebab Big sis

when a friend calls his girlfriend his big sister, ( big sis)

hey, im gonna call up my ebab big sis

by Chisel3d June 16, 2011

Period sis

An eloquent expression of approval, generally used by by young adults to display agreement with a controversial or contentious statement.

Most people say Tom’s mom is ugly but I think she’s hot af.

Period sis

by Chessorganist June 2, 2023

Sis-Gender

Sis-Gender n.
Sis (short term for sissified) Gender
A grown man acting like an adolescent girl.

Bro, D. is so sissified acting like a 14 year old girl.
Dude I know, he's a Sis-Gender

by Z-man 69 June 28, 2023

si grand

An adjective to describe a person regarded as cool, attractive or superior, especially in regards to the size of their phallic instrument.

This word has grammatical genders as described by this rhyme:

If you are an homme,
Then you say Si Grand,
If you go by she,
Then you're Si Grandi,
If it's not just you,
You're all Si Grandu.

Ryan is really cool; he is si grand. Me and him are totally si grandu.

by TotallyDefinitelyNotJames July 1, 2023