fastswap
nounUK /ˈfɑːstswɒp/
US /ˈfæstswɑːp/
A fastswap is when two people quickly trade things with each other.
The kids did a fastswap of their toys at recess.
OTHER MEANINGS
2. A computer feature that lets you quickly switch one part for another.
The game has a fastswap button to change weapons.
3. A quick change of one thing for another in a game or sport.
He made a fastswap of players before the second half.
4. An exchange of seats or positions done very quickly.
We did a fastswap so everyone could sit by the window.