sub2 past tense and past participle subbed, present participle subbing informal
to act as a substitute for someone
Roy's subbing for Chris in tonight's game.
2 [transitive] British EnglishBEW
to give someone part of their wages earlier than usual or lend them money:
I subbed Fenella a tenner to get a decent bunch of flowers.
3 [transitive] British EnglishTCN
to subedit something