earliestly 

Something that is earliest, be it a person or an object.

"I arrived to work earliestly."

earliestly by A Random Fellow April 17, 2022

earnestly

with sincere and intense convention serous

i take my grades earnestly

earnestly by heaven lanae shell October 10, 2017

TTAAYEC-Test that assumption at your earliest convenience 

A calm yet serious way to say-"FAAFO-fuck around and find out"

Joe told the stranger "You aren't strong enough to take on my friends and I".
Stranger replied " TTAAYEC-Test that assumption at your earliest convenience."

TTAAYEC-Test that assumption at your earliest convenience by EllisJ September 8, 2021

earliest pipe 

Morning wood, hard erection in the morning, very common with birds

Yo dude, did you see that birds earliest pipe.

earliest pipe by Plumber Mario February 13, 2018

test that assumption at your earliest convenience

A work appropriate but much more threatening version of "fuck around and find out"

Becky: I can't believe you. You better let me do whatever I want if you know what's good for you.

Me: test that assumption at your earliest convenience... I wouldn't recommend it though.

test that assumption at your earliest convenience by HuntingLife September 8, 2021