bastardised bottomburp Share definition Flag I think he is Australian and has added about 750 words. Only Diego has added more definiton's. Bastardised Bottomburp is one of the urbandictionary kings. Except some of his words are quite shit. bastardised bottomburp by Diego September 28, 2003 0 0 Get merch Get the bastardised bottomburp mug. Buy Now — $32.95 See more merch