A person who utters "yoink" in conjunction with taking an object, immediately transfering ownership from the original owner to the person using the word regardless of previous property rights.
Sam logs onto Yoinker.com, types in ipod, and proceeds to yoink the iPod from the ebay listing from the other bidders.
by LiamUNITEus October 22, 2009
The act of stealing something, or an expression after having stolen something!
Mine now, yoinkers!
by Lillypain June 26, 2007