Transcript:
Ralph: Hold still, Wally... Don't eat the cracker... Not yet... Not yet... Now!
Wally: Snatch!
June: Ralph, that's not a nice trick to make poor Wally do!
Ralph: He loves it!
June: How do you know?
Ralph: I always loved it when my dad made me do it!
She is showing her stupidity. It’s not a trick on Wally, it’s a trick Wally performs.