The slight upward pushing of the nipple. "Schlump" is started as the nipple is pushed and ended as the pushing of the nipple stops. Mostly used on males to cause embarrasement.
Schlump (SH-lǔmp)
Past tense - Schlumped
Present tense - Schlumping
“To schlump.”
Sticking your male genitalia into either a fruit or vegetable. This action is usually done at the grocery store in conjunction with edging. Schlumping is commonly done at lunch time or whilst eating a healthy snack.
*Example 1*
Guy 1 - “Hey man can you help me out right now?”
Guy 2 - “nah I’m too busy Schlumping right now maybe later.”
*Example 2*
Guy 1 - “Hey man I thought you were at the party, where are you?”
Guy 2 - “I’m Schlumping my shit crazy style in the produce aisle!”
*Example 3*
Guy 1 - “Hey, have you seen our Halloween pumpkins?”
Guy 2 - “Aww sorry man, I’ve Schlumped em’ all”