Mudguts was my first ever u/name for online gaming u/name back in the starcraft days. Use the name for various things now to keep with tradition.
The day I created my starcraft account I was feeling a bit sick in the guts, so called myself mudguts.
According to the Urban Dictionary
mudguts
a fat person, esp around the guts
Cheezy poofs will give you mudguts
(Noun)A particular Western Australian Hard Rock/Heavy Metal band
Kelmscott, Western Australia's super rockers 'Mudguts' playing at a venue near you!
05/09/2008
Super Mario Bros. 3
Brisbane, Queensland