This is Scottish slang. To "bam up" someone means to wind them up, and/or trying to make them believe something that isn't true.
Example 1
Person 1: My pal said you have to wear Speedos at the pool
Person 2: Naw you don't, you can wear swimming shorts, your pal on the bam up, he was bamming you up
Example 2
Person 1: What time is the plane leaving tomorrow?
Person 2: 6am mate
Person 1: Stop trying to bam me up (knowing it isn't that early)
Person 2: You're nae fun, it's at 12 noon
Person 1: My pal said you have to wear Speedos at the pool
Person 2: Naw you don't, you can wear swimming shorts, your pal on the bam up, he was bamming you up
Example 2
Person 1: What time is the plane leaving tomorrow?
Person 2: 6am mate
Person 1: Stop trying to bam me up (knowing it isn't that early)
Person 2: You're nae fun, it's at 12 noon
by Undulating_Unicorn April 06, 2024
a boy/girl group of friends that once had fun at parties but now since they've all dated each other it's super awkward
by member of fam bam May 20, 2018
These new booty ass suckas got shit fucked up. It's family over bitches and money. People acri g like they know when when really they show there sucka side FAM BAM!
by Cantinflas209 January 12, 2019
A grade above mooning - a vulgar motion where you show disdain for someone by revealing your backside and spreading your buttocks.
by MDGilligan October 19, 2011
by Happy Gilmore123 August 31, 2010
by TheDiscoBiscuits4Life September 29, 2021