CavemanDan's definitions
Knocked back - Term in the north of England for (1) refusal of service while trying to buy an age restricted product (2) turned down for a date or sexual encounter.
(1) "Did you get served for our beer?"
"Naa i got KB'd"
(2) "Is Mike going out with that blonde from last night?"
"No way she KB'd him"
"Naa i got KB'd"
(2) "Is Mike going out with that blonde from last night?"
"No way she KB'd him"
by CavemanDan September 4, 2006
Get the KB'dmug.