An exceptionally stinky boy (or lady or whatever). Queefing on the daily is a prerequisite for this title. Often a Sir Queefs-a-lot is considered especially silly or goofy in comparison to the average person.
“Damn, that bitch hella smelly!”
“They Sir Queefs-a-lot fr!”
When you queef so much it starts to sound like a royal trumpet
Damn bae you sound like sir queefs A lot