Tormenting or teasing by saying annoying or cruel things.

(n) harassment especially of a tethered animal

Baiting means to perform a move (that is usually safe) and trying to get some sort of reaction out of your opponent whereby you may be able to punish that move with a combo, distortion, astral, etc.

To discard a card in order to induce an opponent to discard another card of the same rank or in suit and sequence with it. This is a strategic move which is also known as "Advertising", "Baiting", "Chumming", "Fishing" or "Tempting".

See "Advertising".