Older British word (early/mid 20th Century for certain) for women's knickers. Probabaly originates from 'drawing up' the underwear (as in drawing curtains closed/open).
Synonyms for drawers
On this page, you will find 30 slang terms related to drawers. Some of the top words include: kek, keks, turd-cutter, Cut, panty, and 25 more.