TL;DR. TL;DR, short for too long; didn't read, is Internet slang to say that some text being replied to has been ignored because of its length. It is also used as a signifier for a summary of an online post or news article. The phrase dates back to at least 2003, and was added to the Oxford Dictionaries Online in 2013.
Ugg boots (sometimes called uggs) are a unisex style of sheepskin boot originating in Australia and New Zealand. The boots are typically made of twin-faced sheepskin with fleece on the inside, a tanned outer surface and a synthetic sole. The term, ugg boots, originated from Australia, initially for utilitarian footwear worn for warmth, and which were often worn by surfers during the 1960s. In the 1970s, the boots were introduced to the surf culture of the United Kingdom and the United States.
Jiggs is a hybrid type of Bermuda developed at Texas A & M University. It is a leafier grass, easy to grow and a more nutritious hay for horses than common Coastal hay. Jiggs Bermuda will develop more crude protein and more digestible nutrients than common Bermuda. It will also have more calcium and phosphorus.