a long-standing good friend, one whom the speaker has shared many good times with; a buddy, a pal, a chum; what you say when an old buddy of yours walks into the room
The amazing alternative word for 'banana' invented by Hank Green at Crash Course because hey, language is weird and if Gretchen can make "fetch" happen we can make "chom choms" a thing.
The lead guitarist of Funeral For A Friend. He's an absolute god on guitar and can play 2 riffs at once. He also provides backing vocals sometimes which makes him even more impressive.