A fairly predictable point along a hiking trail, beyond which you will no longer find anyone wearing Ugg’s.
Once you’re past the Ugg Line, you’ll have the trail to yourself.
Ugly - slang created by @madisxngreen on insta so use it from now on
In short terms, it means ugly.
Girl did you see those ugg boots?
I know right? They were absolutely disgusting!
A form of onomatopoeia used as a substitute for 'Ugh', particularly in situations concerning conversations about schools, in a video about schools, in a video about various forms of education, featuring a particular, long-haired British man. See "You don't legally have to go to school.", Youtube.
"...and I thought 'Ugg!', I need to find out more about this!"