A very skinny, flat chested female with elongated nipples who appears to be a nerdy and non-sociable slag on the outside but a real screamer in the sack
"Had a boring lunch with Michelle the other day but she became a real McSnatch when I got her home to bed"
by Buzzy123 January 11, 2010
1 more definition
Fast convenient sex. For the time-poor, impatient or impulsive couple who seek to satisfy their sexual appetites quickly.
"They stopped on the way to the party for some McSnatch."
by Blizz May 27, 2013