Dictionary.com
Thesaurus.com

ek se

British  
/ ɛk seɪ /
  1. an expression used to seek agreement, for emphasis, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ek se

Afrikaans, literally: I say