when one person blows a large amount of air into the other person's mouth during a kiss, causing the cheeks to puff out.
The first time I gave my boyfriend a balloon kiss, he looked so surprised when his cheeks puffed out and his eyes bulged.
by seldoodeseehC October 13, 2015
When a couple is kissing or making out and one blows air into the others' mouth, making their cheeks puff out like a balloon
by Pop tart <3 February 22, 2011