Funny peculiar (3)
(Other definitions for strange that I've seen before include "Funny" , "Unknown or peculiar" , "Surreal" , "Odd, not familiar" , "Odd or unknown" .)
(Other definitions for unusual that I've seen before include "Remarkable, exceptional" , "Strange, out of the ordinary" , "Peculiar" , "Odd - rare" , "Not habitually or commonly occurring" .)
(Other definitions for singular that I've seen before include "Gnu's lair (anag.)" , "Remarkable - unique" , "Exceptional, one-off" , "Remarkable; not plural" , "Extraordinary - just one (8)" .)
(Other definitions for whacky that I've seen before include "Funny in a slightly peculiar way (colloq.)" , "nuts" .)
'funny peculiar' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for odd that I've seen before include "Not even - curious" , "Bizarre - occasional" , "One is" , "Freakish" , "Queer" .)
(Other definitions for rum that I've seen before include "An odd kind of drink made from molasses" , "Curious, strange" , "Weird" , "Sugar-cane spirit" , "Odd sort of spirit used in grog" .)