Underclothes , underclothing and underwear are formal terms , while undergarments may be more casually referred to in LOCATION@1 as PERSON@1 -LRB- rhyming slang for undies -RRB- or MISC@1 , and in the LOCATION@2 as smalls -LRB- from the earlier smallclothes -RRB- .

In LOCATION@1 , one may hear underwear being called `` Reg Grundys '' -LRB- rhyming slang for `` undies '' -RRB- or `` Reginalds '' , while in the LOCATION@2 the word `` smalls '' is sometimes used .
