Top Definition
an older male usually of the ages 60 and older who partake in sexual relations with another male under the age of 18
aaron had sweaty hot anal sex with grandpi last night for the 5th time
by Tj upfold December 27, 2008
4 Words related to grandpi

Free Daily Email

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

Emails are sent from We'll never spam you.