Definitions by EndyStar

Based 

Agreement to a statement, often one of political ideology.
Comparable to the statement "This is good, I agree"

"Hey mabye billionaires shouldnt be a thing we let happen"
"Based"

Based by EndyStar January 11, 2021

Initialism 

An acronym that you say each letter for as opposed to saying it as a word.

USA is an initialism, while NASA is an acronym.

Initialism by EndyStar April 13, 2020

S.I.M.P. 

An Initialism created by Phineas and Ferb in episode 35 of season 1, standing for "Squirrels In My Pants." If someone is dancing sporadically, they probably have squirrels in their pants.

"Yo, that girl has some sick moves!"
"Nah man, she just has squirrels in her pants."
"What a S.I.M.P., we just got served."

S.I.M.P. by EndyStar April 13, 2020