You've said a mouthful.

You are sucking up with so many complements that it's like you have your mouth full male orgasmic excretion.

After plying lots of unfounded compliments to someone, the person responds by saying, "You've said a mouthful."

what he said but in red

a way of agreeing with a someone; to support one’s claim (Color of Ink may Vary)

Maddy: Hey Mike, i just wanted to know if you could sign this to help save the turtles.

Mike: No Fuck Them Turtles.

Kevin: Yeah what he said but in red.

said the rhyme did the crime

When the argument about who farted has been placed back to the person who started it. Usually the person who said "Whoever smelt it, dealt it."

Who Farted!

Whoever Smelt It, Dealt It!

Whoever Denied It, Supplied It!

Said The Rhyme Did The Crime!

Whoever Made The Rebuttal, Had It Come Out Their Butthole!

Whoever Detected It, Projected It!

Whoever Deduced It, Produced It!

Boris Said

The Bob Ross of NASCAR.

One of the biggest road course ringers of the 1990’s-2010’s. Winner of the 2005 24hr at Nurburgring, the 2010 NAPA Auto Parts 200 at Montreal, etc.

Boris Said (about Greg Biffle in 2011): “He needs a freaking whoopin, and I’m gonna give it to him”

That's what she said

U FUCKIN IDIOT!!! SHE SAID NOTHING!!!

Boy 1: That's what she said
Boy 2: SHE DIDN'T FUCKIN SAY ANYTHING!
Boy 1: Bro

thats what she said

nice

Me: are you coming with me.
friend: thats what she said.
Me: Nice.

that's what she said

A saying that dirty people made up to say in normal situations to act as a not-so-normal situation.

You're probably confused. Just look at the examples :)

birthday kid: i'll blow all of them at once!
invited friend: that's what she said

School Teacher: Stop talking and get back to work, boys
student: that's what she said

Struggling math student: it's so hard T^T
top of the class student: that's what she said