Top definition
Stands for Snorted When I Laughed. Similar to LOL and ROFL
You use it in responce to someone saying something extremely funny.
If someone text you and says I just saw a pig and a duck crossing the road you would respond with SWIL to let them know you found that extremely funny.
by Amazonabby September 10, 2009
Get the mug
Get a swil mug for your mama Julia.
buy the domain for your travel site