Top Definition
A girls arse during the winter months, ie larger than in summer, something you can snuggle up against to keep you warm
Monica is growing herself a nice winter bum,
by Jason Kilorn June 21, 2007
5 Words related to Winter bum

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.

×