Speedster 

Someone who will win 1st in every 100meter race(e.g. Usain Bolt).

A very fast person.

Maddi:Did u know Jonathan went undefeated in the 100!?
Jazmin:No wow what a speedster!

Anthony:Usain Bolt just beat the world record!
Rashad:Yup he's a speedster.

Speedster by SixPackjonny August 6, 2010

seester 

a fun way to say sister, it is something for close sisters who love each other to tell each other and know that it is only theres.

Caroline, i miss you seester, see you soon!

Man my seester is so cool!

seester by caitieboo October 17, 2006

Seenster 

An individual who is expected to be present at every local nightclub and bar, regardless of weekday or weekend status. You'll always know that this person will look good, but you will never know this person beneath the surface.

There's that Seenster again. I wonder what he's on tonight? His shirt is unbuttoned 3 buttons and he is looking awfully sweaty...

Seenster by stephanie ling esteban torres May 10, 2006

Seester 

The most annoying term for a sister. Something that a girl says when she spends way too much time with her sister, who is apparently her only friend also.

"Who is that?"
"That's my seester!! I love her!"
"Ew. k bye."

Seester by chicken1nugget April 9, 2015

seester 

A girls best friend. Seester is a word used when talking about you favorite sibling. Seesters share a bond that not many share, and nothing will ever compete with it!!

Kelli loves and misses her seester Heather!!

seester by kme00987 January 22, 2011

seester 

1. A loving nickname to call your sister. NOT used to describe a fellow sorority sister or close girlfriend.
2. Female sibling who you share a unique loving bond, despite any sibling rivalry.

I miss you seester!

It's seeester tiiimee...

seester by SeesterLove May 9, 2011

Seepster

Seepsters

Aging Yuppies & Hipsters seeping into broad society. Struggling with the reality of being grown up, in a bonded-pair relationship, and having their first child. Also known as a GRUP: a grown up Yuppie or Hipster.

Entomology
The normalized sociological transition from Young Adult to Suburban Bonded-pair Parents, has been delayed from historic trends. People are getting married at older ages and the percentage of married couples is on a significant decline. A significant percentage of the populous have delayed the migration to home ownership and creation of family units.
The primary contributor to this trend is likely due to the poor economic condition from 2007 to 2016, greatly restricting the ability

San Ramon is seeing an increase of Seepsters moving in from San Francisco.

This place has a Seepster feel about it. I am feeling real old about now

Seepster by CarizmaGuy November 3, 2016