Best definition
wam bam thank you mam
A term used to describe getting laid easily or getting what you need and getting out.

(joe) hey bro did you get a quickie with sarah from the party.

(Mondo) ya it was more of a wam bam thank you mam.
wam bam thank you mam: define #2
Wam Bam Thank You Mam
a term used to describe a selfish sexual partner

Typically used along with the phrase “two pump chump”

“So I went down on him last night, and he didn’t even return the favor.”

“Damn b, talk about a wam bam thank you mam”

“Giiiirrrrrllll, that’s not even all, he was a two pump chump.”