More IVing WAMBAM

[Mark Kohut]

  from     Urban Dictionary
 wham bam thank you ma'am:
 The act of having sex without even bothering to try to get the woman to orgasm. Usually lasts for about five seconds. 

2.  wham bam thank you ma'am    
 buy wham bam thank you ma'am mugs, tshirts and magnets

Sometimes used as a way to denote the successful completion of a military mission well underbudget and well within time constraints. Implies they forgot something (see other definition)
If America were to declare war on Canada and launched a full scale nuclear strike, it'd be safe to say that that operation was "wham bam thank you ma'am"

"Wham Bam Thank You Ma'am" was a song by jazz artist Charles Mingus on his 61' LP "Oh Yeah" 

Later than IV's time: 
David Bowie:Suffragette City Lyrics - LyricWiki - Music lyrics ...Ohh, wham bam, thank you, ma'am!