Top Definition
A person who's a complete and utter genius but refuses to admit it to the point that it gets annoying but by then it doesn't really matter anymore cos Wei-Sums are usually good friends ^^
You: You scored 100% in that exam??? You'll be a Wei-Sum at this rate!
by Salsa12335 October 20, 2008
5 Words related to Wei-Sum

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.

×