Top Definition
when you remember something that used to make you happy and get metaphorically hard about it.
Pokemon! nostalgia boner!
by LGOE April 22, 2011
When you get a boner from something you forgot but now remember
John told me about his nostalgia boner he had last night before having sex with Mary.
by Fireside56 January 31, 2014
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.