夯
夯捣
夯实
打夯

[ noun ]
a humorous play on words
<noun.communication>
I do it for the pun of ithis constant punning irritated her

Pun \Pun\, v. i. [imp. & p. p. {Punned}; p. pr. & vb. n.
{Punning}.]
To make puns, or a pun; to use a word in a double sense,
especially when the contrast of ideas is ludicrous; to play
upon words; to quibble. --Dryden.