John Minchillo/Associated Press

Cincinnati Bengals wide receiver John Ross isn't impressed with DeSean Jackson's speed.

On Friday, Ross, who broke Chris Johnson's 40-yard-dash record at the NFL Scouting Combine with a time of 4.22 seconds in April, responded to a tweet from the Tampa Bay Buccaneers about their newest deep threat.

Ross' response?

"Child please," a callback to another famous Bengals trash-talker, Chad Johnson (warning: link contains NSFW language):

For the record, Jackson's 40 time at the 2008 combine was 4.35.

It's not the first time the former Washington Huskies stud has flaunted his quickness. Last month, he challenged Usain Bolt to a race.

Update: Friday, May 26, at 2:45 p.m. ET

Ross later indicated that he was using the phrase from DJax's perspective as he burned the defender, not as a taunt:

Ross also deleted his original tweet.

[Twitter]