To pull a internal combustion engine from its original vehicle and put another in its place.
Pulling a V6 from a sports car and putting a V8 in it instead, would be considered a engine swap
When someone stands in the frunk of their rear or mid engined car, freebases off of the frunk lid while having their asshole eaten.
I came out of left field pub and Geoff was getting a Dundalk engine swap from the Geresbecks's cashier, right off of the Porsche emblem and everything.