When someones mum wont let them do something, even though they are old enough to decide for themselves.

Overbearing, controlling mother.

Similar to being under your girlfriend/wifes thumb.(not cool)
"No way dude, Dave wants to get a tattoo and although he's 19, his mom wont let him"
"He's so under the Mum thumb!"
by nicko2 September 07, 2007
5 Words related to Mum thumb

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×