Both a noun and a verb, referring to someone who lives aboard a boat, e.g., 'They live aboard their boat' or 'he is a live-aboard'. Can be temporary or permanent, for the length of a dive, vacation, season, lifetime or retirement. If of a more permanent nature, refers to someone who likes the carefree lifestyle associated with living on a boat vs. the responsibility of living in a dwelling on land
One to another: My Dad is retiring soon and he's going to sell his house and become a live-aboard.
Another: No way!
One: Yes, he's going to live-aboard his boat and just sail around the Caribbean and see every single island.
To allow someone entry into your home when they show up uninvited.
C'mon Glen! Just welcome us aboard!
or
Joel! Good to see you! Can I welcome you aboard!?
Welcome Aboard!
"Cecila! How great of you to show up uninvited! Welcome Aboard "
Slang invitation issued to another to share in one’s own perspective.
You can either stay out there floating in your rigid belief system or choose to come aboard my ship and get a wider view.
What is heard by one about to sustain a serious beating...said by the conductor of the ass whooping
That twink just cut me off! ALL ABOARD THE PAIN TRAIN
My truck was stuck so I came aboard of her!
That level in New Super Luigi U that is required to go to the rest of Soda Jungle. It’s an airship. The boss is Bowser Jr. He thinks he’s unstoppable, but he’s a fucking cunt.
Kid 1: “Soda Jungle dash Airship. All Aboard! It’s so damn hard!”
Kid 2 “Want some help?”
Kid 1: “Of course! Thanks!”
Kid 2: “Anytime!”