Top definition
When one gets an accidental, raging hard-on/slippery-sloop in sight of an indecent family member.
"It was weird...he got a family boner when my towel slipped off. It was so embarrassing!"
by leeislove April 03, 2015
Get a Family boner mug for your buddy Nathalie.
Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
Get the NBS neck gaiter and mug.