plug
The physical sense of this word evokes a feeling of sudden closure or a tight seal. It is often associated with utility and necessity, whether stopping a leak or providing power. There is a tactile quality to the word, suggesting a firm fit that creates a barrier. In a promotional context, the word carries a slightly opportunistic or aggressive tone. It describes a specific kind of marketing that feels forced or inserted into a conversation where it does not naturally belong, similar to how a physical plug is inserted into a hole.
Countable when referring to a physical object like an electrical plug or a stopper. Uncountable when referring to the act of filling a gap in a general sense.
Meanings
A device for filling a hole or connecting an electrical appliance to a power source
"He pushed the plug into the socket."
To block a hole or opening to prevent leakage
"She used a piece of cork to plug the leak in the pipe."
To promote a product or service persistently, especially during a media appearance
"The author used the interview to plug her new novel."