Incredibly big/good/bad etc. Not to be confused with the 1980’s pop band Wham!
Wow Jamie your forehead is wham. Best get that checked out
Wham means kind of like what's wrong with you or what is your problem
Dan:"Did you eat her kitty wham for you it's so rotten"
Something big or shocking or big and shocking (WHAM)
Your forehead is so WHAM.
Using the word Wham is describing something massive or uge
"Fuck me he's got a WHAM pair of teeth on him"