1 definition by John Mangan

1

To smile for ever, to always be smiling

Mango's a pretty happy guy, he's in a constant state of grinfinity

by John Mangan October 26, 2007

Get the mug

Get a grinfinity mug for your girlfriend Larisa.

• © 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