Fuhuhluhtoogan is not directly defined in Jikkuhlang the Dictionary. However, similar wordslike "fuckalyoot" and "fuckalyew" are defined, both being related to good intercourse (shown below, center and right).
Slang term for someone who enjoys sucking dick and or taking it up the butt.
Person 1: Man I really need someone to suck my meat!
Person 2: Oh i know a fuhuhluhtoogan who would do it.
Person 1: Of course, all fuhuhluhtoogans love sucking dick!