Grandiose 

1.affectedly grand or important; pompous
2.more complicated or elaborate than necessary; overblown
3.grand in an imposing or impressive way.
4.Having an exaggerated belief in one's importance, sometimes reaching delusional proportions, and occurring as a common symptom of mental illnesses, as manic disorder.

1. A grandiose scheme

2. He had a very grandiose and narcissistic personality.

Grandiose by ayosonyo September 3, 2009

conceited with grandiose senses 

What does it actually mean?

conceited
adjective
excessively proud of oneself; vain.
"Fred's so conceited he'd never believe anyone would refuse him"

grandiose
adjective
impressive and imposing in appearance or style, especially pretentiously so.
"the court's grandiose facade"

sense
noun
a way in which an expression or a situation can be interpreted; a meaning.
"it is not clear which sense of the word ‘characters’ is intended in this passage"

Stringing all these definitions, you get
A person who is excessively proud of oneself, with a way in which an expression or a situation can be interpreted, which is impressive and imposing in appearance or style, (especially pretentiously so)

Conceited with grandiose senses think lowly and badly of me is arrogant and unreasonably stupid not simple, just what low intellect thinks and acts bc so self obsessed and inferior yet full of self, such paradox still dare acts as if winner hah only know to "like, love" self not really ever liking nor loving others is bc inferior, low fake self confident and I should not ever be blamed or be assaulted hah

conceited with grandiose senses by meorii August 1, 2021

grandiose 

fucking awesome; sexy

one girl to another "i wanna eat this chilli" other girl" i wanna eat you" onlooker "that is grandiose"

grandiose by fckduppup November 14, 2004

a Grandiose one

To call someone a Grandiose or a Grandiose N****r has nothing to do with the character being grandiose, nor is it a play on their ethnicity. It is simply an expression of exasparation at a friend's behaviour.
synonims include: Ass, the N word, Giggan***a

Bob ate the the last spaghet? Man he's such a Grandiose one

a Grandiose one by Semicolonioscopy February 26, 2024