(latin- totalus: very, bonus: a large piece of marble in a cylindrical shape) adv. expressing great enthusiasm or approval. Usually said with an accent on the TOEtally BoneAH
A woman who is physically attractive, but totally kills your boner (attraction) due to her negative attitude and lack of intelligence
Hey François that girl I went on a date with last night was a TBK (Total Boner Killer) bro. She was gorgeous until she talked about how much she hated her job."