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1.
Ceco in bulgarian means a person who is very stupid and can't play games..Its kind of noob/retard.
Look, that boy is Ceco!
by yourassnoob May 12, 2011
 
2.
CECO, pronounced SEE SO
A guy or a girl who sleeps around with people of all ages and sexes and does not give any thought about catching STI’s.
ceco - OMFG she sleeps with anything she is such a fuckin CECO.

Have you seen him he has been with everyone talk about village bike I have heard about him hes a CECO.
by MrDHG March 17, 2009