Someone who thinks they are the expert and forcefully assert their opinions as facts when in fact they are just a loud mouth moron.

The greatest musician who ever lived.

Going out to the desert and racing around fast as fuck. Comes from Off Roading. Used commonly by bros.

A person who is a mix between a rep and a goth.

This is a pound sign or number sign. Short for pounds avoirdupois. Not to be confused with the incorrect word "hashtag" which most dumbasses go by. The symbol is defined in Unicode as U+0023 # or British currency symbol "£"

It's mathematics slang for cutie pie. Seeing as 3.14 is the value of pi, well actually 3.141593 is probably closer even though it's an infinite number so 3.14 will do, but yeah you can catch my drift.