look up any word, like cleveland steamer:
 
1.
cockney rhyming slang for smart
just cos you hit puberty that doesn't make you lemon tart
by apositivenuisance August 14, 2009
 
2.
When someone is giving a blowjob then pisses
"Hey girl ! want a lemon tart" says the male "sure"says the female
by LOLemontart September 07, 2010
 
3.
to do a girl while knees are cross cowgirl, reverse cowgirl, and/or doggy in bed or bathroom.
Dud, I totally got a lemon tart at the club after you left. It was awesome.
by alexander Rotha May 20, 2009