Green Lantern

To stick a flashlight with a green bulb in someones ass or pussy to make it glow like a green lantern

Yo i just gave my girl the green lantern. Her pussy was glowing!

by penpenpenpen January 20, 2021

green fn

green fuck nigga

“Take the 3 point shot man!” *shoots and makes it* “green fn!”

by burgundy101 March 5, 2024

green fn

green fuck nigga. as in you have game/ rizz. (old 2k saying whenever u greened)

"yoo he a green fn!"

by x4t March 18, 2024

Red green light

Sort of like a green stop sign but, instead of a suggestion a statement

Yo bro she was giving red green light vibes last night on the phone.

by Black Ash December 14, 2020

green milk

a phrase uttered by geometry dash player goldentg for an unknown reason

goldentg: "GREEN MILK!"

by guy number 7 April 25, 2025

Green Card

Used on ex-gf's,
Gives mates the permission to sleep with your ex, under the condition that after he or just before she is about to Cum. You look her straight in the eyes and say " (insert name) says hi." Get dressed and leave

From this day forward (insert name) has a green card.

by Thefrenchstud March 7, 2017

Green Beard Altruism

Greenbeard altruism is a fascinating concept in evolutionary biology that attempts to explain the evolution of altruistic behavior. It proposes that a single gene (or a set of tightly linked genes) can be responsible for three distinct traits: a noticeable signal or "tag" (like a green beard), recognition of that signal in others, and altruistic behavior directed towards those with the same signal. This allows individuals to selectively cooperate with others who share the same gene, even if they are not related. 1 While the "green beard" example is hypothetical, there are real-world examples of this phenomenon in various organisms, highlighting the potential for cooperation to arise through mechanisms beyond kin selection.

Green beard altruism, while theoretically possible, is rarely observed in nature due to the complex requirements of a single gene controlling the signal, recognition, and altruistic behavior.

by The Counterintuitive Words February 10, 2025