1. "I'll do it, its a Sinch"
2. Sinch is Known for Something More, Plasma... and is a very unknown band for some reason
By Ernaline
That's A Sinch!
When you are s*x texting with a girl and trying to bring in your friend somehow. You will say:" I bring a Sinch". When she's replying "what's that?" you are going to send a nude pic of your best homeboy.