1 definition by Mr. Sodium

1

Noun: a mustache with the purpose of keeping one's upper lip warm.

It gets cold during these Nebraska winters, so I grow a thermostache every fall and shave it during the spring.

by Mr. Sodium January 26, 2018

Get the mug

Get a thermostache mug for your friend Julia.

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request