Brown Lobster 

When you're having anal sex with a girl which she finds too painful and her anus clenches tightly on you penis pinching it like a lobster claw.

"Dude, did you get anal off your girl last night?"

"Yeah but I went too deep and her brown lobster squeezed on me so tight it hurts when I pee!"

Brown Lobster by ChristmasPartySam January 9, 2010

Brown Lobster 

A brown lobster is a person who has spent so much time at the beach that they're skin has become brown and leathery.

"There's alot of brown lobsters at the beach today".

"You spend so much time at the beach, your becoming a brown lobster".

Brown Lobster by Marlon Dready November 7, 2009

New England brown lobster 

The act of performing oral sex on another individuals anus using melted butter to improve taste and a lobster bib to avoid unnecessary messes. Inspired by the traditional consumption method of a New England lobster.

Danny— “How was your trip to Cape Cod?”
Jack— “It was sick, I met this girl and after dinner I gave her a New England brown lobster!”

New England brown lobster by TdogW October 12, 2018

Full Blown Lobsters 

A bad case of crabs or a funny way to say someone has or could possibly have crabs.

'Dude, he doesn't have crabs, he has full blown lobsters!'

Full Blown Lobsters by FranceInThePants October 2, 2011