Balloon Kiss 

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.

Balloon Kiss by seldoodeseehC December 3, 2015

Balloon Kiss 

When a couple is kissing or making out and one blows air into the others' mouth, making their cheeks puff out like a balloon

Person 1- So why were you two laughing so hard?
Person 2- He tried to balloon kiss me!!

Balloon Kiss by Pop tart <3 March 8, 2011