sillica 

Sillica is a beautiful unique,different person you will feel happy and laugh around her cause she is funny and a positive person Love You sillica√

Sillica is beautiful and funny

sillica by Bluebambi April 21, 2018

sillycar 

A Toyota Celica car.

(Celica drives past)
"What a sillycar!"

sillycar by WingNut February 18, 2008

Silliam William 

The full name of the person commonly known as Silly Billy

basically a fancier way to call someone a Silly Billy

Mannnn, you're being such a silly billy right now.

Excuse me?? have some respect for your elders. That's Silliam William to you.

Silliam William by Efroom August 11, 2017

pneumonoultramicroscopic silicavolcanoconiosis

A Disease Caused By The Inhalation Of Fine Graphite Or Silicate Particles. Longest Word In The English Language.

(Frank): Hey Jimmy, Do You Want To Come Out And Play?
(Jimmy): No Way Man, I'm Sick Again.
(Frank): With What? The Cold?
(Jimmy): Hell No! I've Got Pneumonoultramicroscopic silicavolcanoconiosis.
(Frank): Oh Shit!!

pneumonoultramicroscopic silicavolcanoconiosis by Dylan Roybal August 8, 2006

Sillitarian 

The belief or use of language in using an alternate completely silly word replacement in conversation and acting totally serious. The alternate word used must sound similar to the word that would normally be used in context.

Perfect examples of "Sillitarian" are as follows;
When you want to discuss things in detail, you have to be very "pacific."
In the Summertime, I have lots of problems with my "analogies"
I have a hard time pronouncing this word because it has many "continents."

Sillitarian by ScarabRa June 11, 2018

silliwangi 

“a more defined way of using the term silly while adding a twist into it”

‘ay melissa, you’re being a little silliwangi again.’
‘chill with that silliwangi shi foo’

‘did you hear rosie’s acting silliwangi again?’

silliwangi by realabitftavj June 21, 2019

silica gel 

This stuff in a packet that resembles a sugar packet, keeps things dry. Something that should NOT be eaten.

This sugar says 'Do not eat'. Must be silica gel.

silica gel by DoNotEat February 26, 2005