eeko! 

Synonym for "yikes!"

"I just crashed my car into a nursery school and killed thirteen kids." "Eeko!"

eeko! by G-smith13 August 25, 2012

eeko 

A form of greeting, appearing in parts of Ireland from approximately 2002

Eeko there anonymous stranger!

eeko by slave2thewage May 5, 2005

eek-o-rific 

something that is just a little more horrific

the power was off while i was away, and when i got back the crisper drawer was eek-o-rific!

eek-o-rific by what_eva! March 21, 2010