noun. (used with a def. article, often pl.)
1. The shivers that run up one's spine during cheezy movie scenes, especially romantic denouements.
2. The slight ecstatic feeling that accompanies those shivers.
3. Ironic (1)
4. Childish (1)
Brenden, you are soooo romantic, you give me the shivvy shivvies.
Oh wow, that commercial gave me the shivvy shivvies.