give you the willies
give (one) the willies
To cause one to have a feeling of fear, dread, or squeamishness. Can we get out of here? This creepy old house is giving me the willies! Ack, seeing that tank of cockroaches gave me the willies.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
give you the williesINFORMAL
If something gives you the willies, it makes you feel nervous or frightened. This place gives me the willies. Living on the mountainside is enough to give anyone the willies — especially when the wolves howl.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012