by dictonaryboy May 10, 2023

Somebody who is not behaving as you would like, or somebody who is acting stupidly (pronounced, poum)
by ghostie0101 October 21, 2010

by The Shiznit Of The Hizzy October 27, 2003

a cute name for grandpa, as spoken by a young child. really. it sounds cute when a little kid says it. may be derived not just from the inability to clearly pronounce the word 'grandpa' but also due to some cosmic consciousness reference to drums (pa rump a pum pum) which relates the coolness of grandpas to drumming.
by RickyDeePA April 3, 2021

by Tony bologna420 September 20, 2020

by Dookie Child April 11, 2021

Pum is a mix of the popular soda Pepsi, and the male ejaculate. It's name is derived from the more commonly known Pilk, a mix of Pepsi and Milk.
by Trotski432 January 13, 2022
