3 definition by Plummkin

Top Definition

When some one thinks with their ass.

Who's brain ass idea was this?

by Plummkin December 27, 2016

A piece of jewelry, bauble or trinket.

Look at that knick knack that girl is wearing around her neck!

by Plummkin October 10, 2015

A piece of jewelry. A trinket or bauble.

Look at the knick knack that girl is wearing around her neck.

by Plummkin October 10, 2015