look up any word, like bae:
 
1.
an endearing form of saying "hello" to your significant other....
boy: "hey baby."
girl: "hey u."
by 88 action September 18, 2008
 
2.
a fortiudous typo when greeting someone online
dude1: heyu
dude2: hey
dude1: blah blah blah
by indeed105 September 01, 2005