A sensation you get in your meat sack when you are in a strange situation but find it arousing
Eric: I feel slightly aroused by that old lady lathering herself up with butter.
Drake:Dang thats a real ball tingler.
When you look at or see a hot sexy girl who you would like to get intimate with and your getting aroused making your testicles tingle.
Jen... what's up with you?
Jez... I've been checking Holly out and she's giving me a testicle tingler.
A "spine tingler" is a word usually used in Shaqtin a fool. Its a dunk which gets rejected at the rim of the hoop
That's a spine tingler dunk