Orginally a childrens television programme , the word has now been adopted as a form of negative Scottish slang. It can be used as in isult or as a negative term to describe someone/something.
Chagging is the portmanteau (combination) of choking and gagging. It is usually accompanied by an embarrassing loud, wetsound. Chagging has been referenced by Garfunkel and Oates in their "BJ Song."
I get so embarrassed when I'm giving my boyfriend a blowjob and I start chagging on his cock.
Choogling as referred in swap rock music means to keep going,keep excelling,sorta like when someone says "keep on trucking",overall its in the same sense