gwithian 

Someone that wastes his time looking up dictionary definitions all day

"Oh man, that guy just sits there doing nothing all day - such a Gwithian"

gwithian by Bob July 25, 2003

gwythian 

Totally gorgeous, with a great personality to go along

"Wow that girl is such a Gwythian"

gwythian by PickledUnicorns January 7, 2018

guithian 

To find that devils dandruff have a sniff and go up to a di

“I’m really drunk at my friends house I might do a guithian”
“Pulling a guithian is going up to the dj at a wedding and requesting Eminem fack”

guithian by Booland March 23, 2019