What one might have with milk, briefly?

• Handlebar, e.g., briefly
• Lip warmer, for short
• Short facial hair?
• Facial hair, for short
• It may be right under your nose, informally
• Hair style, for short
• Stereotypical facial hair for '70s pornstars, informally
• Something just under one's nose, slangily

Wiktionary Word definitions in Wiktionary
alt. (context informal English) moustache, mustache. n. (context informal English) moustache, mustache.