[], (Noun)

Definitions:
- The filling of cracks in the walls of a house or log cabin with mud. Also : the mud itself.


Phrases:

Origin:
mid 17th century (in an earlier sense). From mud + -ing

[], (Noun)

Definitions:
- The playing of MUD computer games; this activity as a pastime or interest.


Phrases:

Origin:
1990s; earliest use found in Usenet (newsgroups). From MUD + -ing