Urban Dictionary: Definitions by Vboclaramente

User Settings

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Onb

Outta nowhere boner.

It describes when a male erection happens randomly outta nowhere.

Alex: dude what’s that??
Costa: it’s an ONB, stands for outta nowhere boner. It’s normal.

by Vboclaramente February 23, 2023

Flag

Get the Onb mug.

More random definitions

Share this definition

Sign in to vote

We'll email you a link to sign in instantly.

Or

Check your email

We sent a link to

Open your email