A play of words on 'sanitary towel', A strip of toilet roll placed in the underpants to prevent the soiling of underwear following a heavy night out. Similar to a 'manpon
' in nature.
Can also be used in a derogatory nature towards a male who is acting like a female.
I drank so much beer last night, it's given me the shits. Think I'm gonna have to use a manitary towel.
Put on a manitary towel you massive girl!