Cuddly toy to stand behind lingerie item (5,4)
I believe the answer is:
teddy bear
'cuddly toy' is the definition.
(I've seen this before)
'stand behind lingerie item' is the wordplay.
'stand' becomes 'bear' (both can mean to tolerate or endure).
'behind' means one lot of letters go next to another.
'lingerie item' becomes 'teddy' (type of lingerie item).
'bear' after 'teddy' is 'TEDDY BEAR'.
'to' acts as a link.
(Other definitions for teddy bear that I've seen before include "Stuffed toy" , "Maybe Winnie" , "Rupert, perhaps" , "Cuddly toy named after a US president" , "Soft toy" .)