look up any word, like bae:
 
2.
God be with you, general wishes of well being be upon you.
'blessup yo' self foo'
by Psyda July 28, 2008
 
1.
A greeting of spiritual affirmation between friends - can be used in form of "Hello" or "Goodbye".
"Bless up, brother"
"hey hey, what's going on?"

or

"See you tomorrow, mate"
"Bless up"
by VBR213 October 10, 2009